Chapter 9111 — Customs Tariff Headings

9111.20.00Cases of base metal, whether or not gold- or silver-plated

9111.80.00Other cases

9111.90.00Parts

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Products classified under Tariff item 91.11

14K White Gold Watch Case for Dress Watches

A watch case made entirely of 14 karat white gold, designed for slim dress watches. Its solid precious metal construction places it under tariff item 9111.10.00, which covers cases of precious metal.

18K Gold Solid Watch Case

A precision-engineered watch case made entirely of 18 karat gold, designed for luxury wristwatches. Its solid precious metal composition qualifies it for tariff item 9111.10.00, which covers cases of precious metal.

24K Gold Vermeil Watch Case

A watch case made of sterling silver clad with a thick layer of 24 karat gold, known as vermeil. This construction qualifies as 'metal clad with precious metal' under tariff item 9111.10.00, provided the gold layer meets minimum thickness standards.

Palladium Solid Watch Case

A watch case made entirely of palladium, a precious metal known for its scratch resistance and light weight. Palladium qualifies as a precious metal, placing this case under tariff item 9111.10.00 for cases of precious metal.

Platinum Clad Stainless Steel Watch Case

A stainless steel watch case clad with a thick layer of platinum, meeting the definition of 'metal clad with precious metal.' This construction falls under tariff item 9111.10.00, which covers cases of precious metal or metal clad with precious metal.

Rose Gold 18K Watch Case with Sapphire Crystal Fit

An 18K rose gold watch case precision-machined for sapphire crystal retention, featuring a guilloché pattern. The case is made of solid precious metal, qualifying it for tariff item 9111.10.00, exclusive of the crystal.

Two-Tone Gold/Platinum Clad Watch Case

A bimetallic watch case with an 18K gold bezel area clad over a platinum-lugged base, creating a two-tone luxury appearance. This combination of precious metals or clad construction falls under tariff item 9111.10.00 for cases of precious metal or metal clad with precious metal.

18K Gold-Plated Brass Dive Watch Case 44mm

A robust 44mm brass watch case with 18K gold plating and 200m water resistance features, designed for dive watches. It is a base metal case that is gold-plated, fitting tariff item 9111.20.00.

Brushed Stainless Pilot Watch Case

A 42mm pilot-style watch case made of brushed stainless steel, featuring a rotating bezel track and high-lume cutouts. Its base metal construction without precious plating qualifies it under tariff item 9111.20.00, which covers watch cases of base metal whether or not gold- or silver-plated.

Gold-Plated Aluminum Lightweight Watch Case 36mm

An ultra-light 36mm aluminum watch case electroplated with gold, intended for women's fashion watches. As a base metal (aluminum) gold-plated case, it is classified under tariff item 9111.20.00.

Gold-Plated Brass Dive Watch Case

A heavy-duty brass watch case with 18k gold plating, designed for 42mm divers' watches with 200m water resistance threading. Although gold-plated, the base material is brass, so it falls under tariff item 9111.20.00 for base metal cases whether or not gold- or silver-plated.

Gold-Plated Brass Pocket Watch Case

A vintage-style brass pocket watch case with gold plating, convertible to a wristwatch. As a base metal gold-plated case, tariff item 9111.20.00 applies regardless of wrist or pocket watch distinction.

Gold-Plated IP Stainless Watch Case 38mm

A 38mm stainless steel case with Ion Plating (IP) gold finish, designed for scratch-resistant women's watches. The gold-plating process qualifies it for tariff item 9111.20.00 as a base metal watch case.

Gold-Plated Stainless Steel Watch Case 40mm

A 40mm watch case made of stainless steel with a thick layer of 18K gold plating, designed for luxury wristwatches. It falls under tariff item 9111.20.00 as a base metal case that is gold-plated, excluding precious metal cases.

Gold-Plated Steel Skeleton Watch Case 40mm

An openwork skeleton 40mm steel case gold-plated to showcase the movement. As a base metal gold-plated design, it fits tariff item 9111.20.00.

Lugless Integrated Bracelet Case

A modern 40mm stainless steel case with an integrated bracelet design and gold-plated center links. The case portion alone, being base metal with plating, is classified under tariff item 9111.20.00 for watch cases of base metal whether or not gold- or silver-plated.

Matte Black PVD Coated Steel Watch Case

A 44mm stainless steel watch case with a matte black PVD coating, designed for rugged use. Despite the coating, the base material is steel, so it falls under tariff item 9111.20.00 for base metal cases whether or not gold- or silver-plated.

Matte Gold-Plated Steel Case 37mm

A 37mm steel case with matte gold plating for minimalist watches. The plating type qualifies it under tariff item 9111.20.00 for base metal cases.

Mono-pusher Chrono Case

A 42mm stainless steel mono-pusher chronograph case with a single side button and PVD black accents. As a base metal case, it is classified under tariff item 9111.20.00, which covers watch cases of base metal whether or not gold- or silver-plated.

NASA Spec Beta Titanium Case

A 41mm Beta C titanium watch case with a matte sandblasted finish, designed for space-qualified watches with 500m water resistance. Titanium is a base metal, so this case falls under tariff item 9111.20.00 for base metal cases whether or not gold- or silver-plated.

PVD Gold-Plated Dive Bezel Case 43mm

A 43mm case with an integrated PVD gold-plated rotating dive bezel on base metal. As a gold-plated watch case, it is classified under tariff item 9111.20.00.

Regulator Skeleton Case

A 37mm open-work steel watch case with rhodium plating, designed for regulator watches with a separate seconds dial. As a plated base metal case, it falls under tariff item 9111.20.00 for base metal cases whether or not gold- or silver-plated.

Rose Gold-Plated Steel Chronograph Watch Case 39mm

An elegant 39mm steel case with rose gold PVD plating, featuring chronograph pushers for sport luxury watches. Tariff item 9111.20.00 applies to gold-plated base metal watch cases, including rose gold finishes on steel.

Rose Gold PVD Steel Chronograph Case

A 41mm chronograph watch case made of steel with a rose gold PVD finish and water resistance to 100m. The PVD finish is not precious metal plating, so the case falls under tariff item 9111.20.00 for base metal cases whether or not gold- or silver-plated.

Silver-Plated Brass Dress Watch Case 34mm

A delicate 34mm brass case silver-plated for classic dress watches. Tariff item 9111.20.00 covers such silver-plated base metal cases.

Silver-Plated Steel Pilot Watch Case 45mm

A large 45mm steel case with silver plating and a slide rule bezel for aviation pilot watches. It falls under tariff item 9111.20.00 as a silver-plated base metal watch case.

Silver-Plated Steel Smartwatch Compatible Case 42mm

A 42mm steel case silver-plated, designed for smartwatch modules. It is still classified as a traditional watch case under tariff item 9111.20.00 if it does not exceed movement specifications.

Silver-Plated Titanium Chrono Case 46mm

An oversized 46mm titanium case silver-plated with chronograph subdials. Tariff item 9111.20.00 applies to silver-plated base metal watch cases.

Silver-Plated Titanium Watch Case

A lightweight grade 2 titanium watch case with sterling silver plating on the bezel and lugs, sized at 38mm for dress watches. Titanium is a base metal, so this case falls under tariff item 9111.20.00 for base metal cases whether or not gold- or silver-plated.

Silver-Plated Titanium Watch Case 42mm

A premium 42mm watch case crafted from lightweight titanium with rhodium silver plating for corrosion resistance and shine. It is classified under tariff item 9111.20.00 for gold- or silver-plated base metal watch cases.

Skeletonized Open Heart Watch Case

A 39mm stainless steel watch case with an exhibition back and open heart dial window, featuring gold-plated accents. As a plated base metal case, it falls under tariff item 9111.20.00 for base metal cases whether or not gold- or silver-plated.

Stainless Steel Watch Case 40mm

A precision-machined 40mm watch case made from 316L stainless steel, designed for mechanical or quartz watch movements. It features a screw-down back and gold-plated bezel accents, classifying it under tariff item 9111.20.00 as a base metal case whether or not gold- or silver-plated.

Tactical Black DLC Coated Case

A 45mm diamond-like carbon (DLC) coated 316L steel case for military spec watches, with an anti-reflective finish. The DLC coating does not change the base metal nature, so it falls under tariff item 9111.20.00 for base metal cases whether or not gold- or silver-plated.

Tonneau Curved Watch Case

A tonneau-shaped stainless steel watch case with curved lugs and sapphire back compatibility, featuring a silver-plated bezel. As a base metal case, it falls under tariff item 9111.20.00 for base metal cases whether or not gold- or silver-plated.

Two-Tone Gold and Silver-Plated Watch Case 41mm

A 41mm stainless steel case with dual gold and silver plating for a two-tone luxury effect. It is classified in tariff item 9111.20.00 as it features gold- or silver-plating on base metal.

Unidirectional Bezel Base Metal Case

A diver's 43mm stainless steel case with a locked unidirectional bezel insert track, capable of 300m water resistance. Without precious plating, this base metal case falls under tariff item 9111.20.00 for base metal cases whether or not gold- or silver-plated.

Vintage-Style Compression Case

A 36mm stainless steel compression watch case with a dust cover ring and silver-plated lugs, reproducing a 1950s aesthetic. As a base metal case, it falls under tariff item 9111.20.00 for base metal cases whether or not gold- or silver-plated.

Aluminum Skeleton Watch Case

An open-worked aluminum watch case designed to showcase the mechanical movement inside, with cut-out sides and a mineral crystal. It is a base metal case for a wristwatch, not made of precious metal, so it falls under tariff item 9111.80.00 as an 'other case'.

Brass Plated Pilot Watch Case

A vintage-style brass watch case with a PVD coating, designed for aviation chronographs and featuring an oversized crown. It is a base metal case with a surface treatment, not precious metal, so it is classified as an 'other case' under tariff item 9111.80.00.

Bronze Coin Edge Bezel Case

A naval bronze watch case with a distinctive coin-edge bezel texture for enhanced grip, designed for nautical chronometers. It is a copper alloy case, not precious metal, so it falls under tariff item 9111.80.00 as an 'other case'.

Ceramic Unidirectional Bezel Watch Case

A high-tech ceramic watch case with a rotating unidirectional bezel insert for diver timing, offering scratch resistance. It is a non-metal case, not precious metal, so it is classified as an 'other case' under tariff item 9111.80.00.

Composite Carbon Fiber Watch Case

An ultra-light carbon fiber reinforced polymer watch case for racing chronographs, with titanium inserts. It is a non-metal case, not precious metal, so it falls under tariff item 9111.80.00 as an 'other case'.

Damascus Steel Pattern Watch Case

A pattern-welded Damascus steel watch case with a distinctive layered forging pattern, combining multiple steel alloys. It is a base metal case, not precious metal, so it is classified as an 'other case' under tariff item 9111.80.00.

Gunmetal Cushion Watch Case

A bronze alloy (gunmetal) cushion-shaped watch case that develops a natural patina over time, popular for marine chronometers. It is a copper alloy case, not precious metal, so it falls under tariff item 9111.80.00 as an 'other case'.

Meteorite Dial Watch Case

A stainless steel watch case designed to pair with a genuine meteorite dial, featuring special bezel alignment markers. It is a base metal case, not precious metal, so it is classified as an 'other case' under tariff item 9111.80.00.

PVD Black Coated Diver Case

A stainless steel diver watch case with a PVD black coating and helium escape valve, rated to 300m water resistance. It is a coated base metal case, not precious metal, so it falls under tariff item 9111.80.00 as an 'other case'.

Sandblasted Field Watch Case

A matte sandblasted stainless steel case for military field watches, with a fixed bezel and luminescent markers. It is a base metal case, not precious metal, so it is classified as an 'other case' under tariff item 9111.80.00.

Stainless Steel Oyster Watch Case

A precision-machined stainless steel watch case designed for luxury dive watches, featuring a screw-down crown and water-resistant O-ring seals. It is a base metal case, not precious metal, so it falls under tariff item 9111.80.00 as an 'other case'.

Surgical Steel Hypoallergenic Case

A 316L surgical stainless steel watch case for medical professionals, featuring polished bevels and laser-etched serial numbers. It is a base metal case, not precious metal, so it is classified as an 'other case' under tariff item 9111.80.00.

Titanium Grade 2 Watch Case

A lightweight titanium watch case for sports chronographs, offering superior corrosion resistance and hypoallergenic properties. It is a non-precious metal case, so it falls under tariff item 9111.80.00 as an 'other case'.

Tungsten Carbide Round Watch Case

An ultra-hard tungsten carbide watch case offering extreme scratch resistance for tool watches. It is a sintered metal composite case, not precious metal, so it is classified as an 'other case' under tariff item 9111.80.00.

Zirconium Lugless Watch Case

A corrosion-resistant zirconium watch case with an integrated strap mounting system (lugless design). It is a reactive metal case, not precious metal, so it falls under tariff item 9111.80.00 as an 'other case'.

14K White Gold Watch Back

A solid 14 karat white gold screw-down case back for luxury chronograph watches, featuring engraved serial numbers. This watch case part is wholly composed of precious metal, which classifies it under tariff item 9111.90.00 as a part of watch cases.

18K Gold Solid Watch Case

A precision-engineered watch case crafted entirely from 18 karat gold, designed for luxury timepieces. This complete watch case is made wholly of precious metal without any base metal core, qualifying under tariff item 9111.90.00 as a part of watch cases.

22K Gold Push-Piece Protectors

A pair of 22 karat gold protectors for chronograph push-buttons on watch cases, machined to integrate with the case design. These are precious metal case parts providing button protection and luxury finish, falling under tariff item 9111.90.00.

Acrylic Watch Case Protector Bubble

A transparent acrylic dome protector snapped over a watch case during shipping and storage. It is a temporary case part that prevents scratches and is removed before retail sale. This product is classified as a part of watch cases under tariff item 9111.90.00.

Aluminum Watch Bezel Ring

A lightweight aluminum bezel ring with a rotating mechanism and luminous dive scale markings, designed for dive watches. It surrounds the watch crystal and rotates to track elapsed time, making it an essential functional part of the watch case. This product is classified as a part of watch cases under tariff item 9111.90.00.

Aluminum Watch Case Lug Inserts

Lightweight aluminum inserts that reinforce watch case lugs for strap attachment durability. They are often coated for corrosion resistance and prevent lug fractures in sports watches. This product is classified as a part of watch cases under tariff item 9111.90.00.

Brass Watch Case Crown Tube

A threaded brass tube mounted in the watch case side for winding crown attachment and water sealing. It facilitates case-winder integration across mechanical and quartz watches. This product is classified as a part of watch cases under tariff item 9111.90.00.