Skip to main content
Home / Networking Equipment & Accessories / Watch Repair Tool Triangle Case Opener Three-Jaw Case Back Opener Watch Wrench Maintenance Tool

Attributes

Brand -
Category Root / Networking Equipment & Accessories
Origin -
Material High-carbon steel with anti-rust coating
Jaw Type Three-jaw adjustable triangle design
Handle Length 120 mm
Max Opening Width 25 mm
Weight 85 grams
Color Silver and Black
Grip Type Non-slip rubberized handle
Compatibility Most standard screw-back watch cases
Package Includes 1x Case Opener, 1x Storage Pouch
Warranty 1-Year Manufacturer Warranty

6 reviews

A

Anonymous

Mar 30, 2026

Rating: 4/5

Compact and effective

Love how small it is; fits easily in my drawer. The rubber grip is comfortable even when applying significant pressure.

A

Anonymous

Mar 27, 2026

Rating: 5/5

Essential for hobbyists

If you are into watch maintenance, this is a must-have. It saves me a trip to the jeweler every time I need a battery swap.

A

Anonymous

Mar 26, 2026

Rating: 3/5

Decent for beginners

It gets the job done for simple cases. However, I found it slightly difficult to use on very small or deeply recessed case backs.

A

Anonymous

Mar 20, 2026

Rating: 5/5

Sturdy and reliable

I have used this on over a dozen watches now. The build quality is solid, and the adjustment mechanism stays in place once set.

A

Anonymous

Mar 10, 2026

Rating: 4/5

Good value but requires care

Works well for most watches. You need to be careful not to overtighten on softer case backs, but for the price, it is an excellent addition to my toolkit.

A

Anonymous

Mar 02, 2026

Rating: 5/5

Perfect for DIY watch battery changes

This tool made opening my grandfather's old watch incredibly easy. The jaws grip tightly without slipping, and the handle provides great leverage.

5 FAQ

Q: Will this work on a Rolex Submariner case back?

A: Yes, provided the case back has the standard notches for a three-jaw opener. Please ensure you adjust the jaws carefully to avoid scratching the case.

Q: Is the handle comfortable for people with arthritis?

A: The handle is ergonomically designed with a non-slip rubber grip to reduce hand strain, but we recommend consulting a physician if you have severe mobility issues.

Q: What is the maximum diameter this can open?

A: The maximum opening width is approximately 25mm, which covers the vast majority of standard men's and women's wristwatches.

Q: Does this tool come with replacement tips?

A: No, this model features fixed hardened steel jaws designed for long-term durability and does not require replaceable tips.

Q: Can this be used on snap-off case backs?

A: No, this tool is specifically designed for screw-down case backs with notches. Snap-off cases require a different type of pry tool.

Explore your interests

View More
All Categories
Best Seller (30)
New List (30)
Duosoduoxi Black Series Paper Blending Stumps (6-Pack) - Elastic Xuan Paper Tools for Art Exams and Sketch Highlighting

Duosoduoxi Black Series Paper Blending Stumps (6-Pack) - Elastic Xuan Paper Tools for Art Exams and Sketch Highlighting

$5.10

Factory Direct 502 Super Glue - Instant Adhesive, 3-Second Bond, High-Strength Fast-Drying Glue for Furniture and Wood Repair

Factory Direct 502 Super Glue - Instant Adhesive, 3-Second Bond, High-Strength Fast-Drying Glue for Furniture and Wood Repair

$1.28

NORTON Industrial Red Scouring Pad for Stainless Steel Brushing, Polishing, and Rust Removal – Fine Grit Abrasive Cloth

NORTON Industrial Red Scouring Pad for Stainless Steel Brushing, Polishing, and Rust Removal – Fine Grit Abrasive Cloth

$17.50

Bucket Pack Soft-Tip Glitter Markers, Non-Toxic Washable Color Pens for Student Art and Drawing, Gel Highlighters

Bucket Pack Soft-Tip Glitter Markers, Non-Toxic Washable Color Pens for Student Art and Drawing, Gel Highlighters

$2.99

6-Piece Nylon Brush Set for DIY Aromatherapy Candles, Plaster Coloring, Outlining, Detailing, Gouache, Acrylics, and Baking

6-Piece Nylon Brush Set for DIY Aromatherapy Candles, Plaster Coloring, Outlining, Detailing, Gouache, Acrylics, and Baking

$1.28

Activated Carbon Filter, Quartz Sand Filter, Fiber Ball Filter, Wastewater Filter, Environmental Protection Equipment

Activated Carbon Filter, Quartz Sand Filter, Fiber Ball Filter, Wastewater Filter, Environmental Protection Equipment

$45,000.00

Factory Direct Vegetable Filling Processing Equipment - TMH Dumpling and Bun Filling Chopper for Cabbage and Vegetables

Factory Direct Vegetable Filling Processing Equipment - TMH Dumpling and Bun Filling Chopper for Cabbage and Vegetables

$12,155.40

Hairline Transplant | No-Shave Hair Restoration | 1-2000 Grafts with Velvet Texture & Pain Management by Medical Director

Hairline Transplant | No-Shave Hair Restoration | 1-2000 Grafts with Velvet Texture & Pain Management by Medical Director

$29,800.00

Manufacturer Mini Donut Machine - Snack Food Equipment, 304 Stainless Steel Donut Maker for Puffed Foods

Manufacturer Mini Donut Machine - Snack Food Equipment, 304 Stainless Steel Donut Maker for Puffed Foods

$3,760.00

Inverted Water Dispenser Stand for Large Bottles - Manual Pump Extractor for Mineral and Purified Water

Inverted Water Dispenser Stand for Large Bottles - Manual Pump Extractor for Mineral and Purified Water

$31.30

Press-to-Empty Hands-Free Hanging Sink Strainer Basket for Food Residue Separation

Press-to-Empty Hands-Free Hanging Sink Strainer Basket for Food Residue Separation

$7.48

Car Tire Stone Hook Stone Removal Tool Rust-Resistant Hook Multi-Function Tire Pick Scrape Stone Remover

Car Tire Stone Hook Stone Removal Tool Rust-Resistant Hook Multi-Function Tire Pick Scrape Stone Remover

$8.33

Yue Lin Qi Ji Official Merchandise - Wuwu Dimengmengdi 10&20cm Plush Doll with Outfit (Cotton Doll)

Yue Lin Qi Ji Official Merchandise - Wuwu Dimengmengdi 10&20cm Plush Doll with Outfit (Cotton Doll)

$22.90

Swiss ITI Dental Implants / Korean Imported Dentium Implant Package with Crowns and Dentures - Beijing Hospital

Swiss ITI Dental Implants / Korean Imported Dentium Implant Package with Crowns and Dentures - Beijing Hospital

$3,980.00

ORDER Industrial Lint-Free Wipe Dispenser - Galvanized Stainless Steel Stand for Large Paper Rolls

ORDER Industrial Lint-Free Wipe Dispenser - Galvanized Stainless Steel Stand for Large Paper Rolls

$170.00

Nujiang Bridge Foundation High-Speed Rail Bridge Insulation Steam Generator, Dual-Fuel Oil and Gas Steam Boiler

Nujiang Bridge Foundation High-Speed Rail Bridge Insulation Steam Generator, Dual-Fuel Oil and Gas Steam Boiler

$4,620.00

Lifting Chain Slings - Single, Double, and Multi-Leg G80 Manganese Steel Hook Chains for Overhead Cranes

Lifting Chain Slings - Single, Double, and Multi-Leg G80 Manganese Steel Hook Chains for Overhead Cranes

$63.00

Japanese Braces Storage Case – Silicone Cleaning Pouch for Orthodontic Retainers, Portable Travel Pack

Japanese Braces Storage Case – Silicone Cleaning Pouch for Orthodontic Retainers, Portable Travel Pack

$13.50

CANDLE.LAB | High-Concentration Liquid Candle Dyes for Soy, Beeswax, Paraffin & Gel Wax

CANDLE.LAB | High-Concentration Liquid Candle Dyes for Soy, Beeswax, Paraffin & Gel Wax

$29.90

Electric Milk Separator, Butter Separator, Milk Frother for Home and Commercial Use, Skimming Equipment for Cow and Goat Milk

Electric Milk Separator, Butter Separator, Milk Frother for Home and Commercial Use, Skimming Equipment for Cow and Goat Milk

$837.00

Commercial Roast Duck Warmer Display Cabinet, Countertop Heating Unit for Crispy Pork Belly, Roast Meat, and Goose

Commercial Roast Duck Warmer Display Cabinet, Countertop Heating Unit for Crispy Pork Belly, Roast Meat, and Goose

$444.50

ABB ACS530-01-017A-4/7.5KW Variable Frequency Drive – Brand New Original Authorized Unit

ABB ACS530-01-017A-4/7.5KW Variable Frequency Drive – Brand New Original Authorized Unit

$2,312.00

Inverted Water Dispenser Stand for Pure Water, Office Drinking Water Rack, Convenience Store and Supermarket Shelf

Inverted Water Dispenser Stand for Pure Water, Office Drinking Water Rack, Convenience Store and Supermarket Shelf

$116.79

RSL Electric Guitar Series by Rockschool - ABRSM Edition 2018 Update, Grades 0-8 Complete 9-Volume Set

RSL Electric Guitar Series by Rockschool - ABRSM Edition 2018 Update, Grades 0-8 Complete 9-Volume Set

$30.00

Handmade Soap and Baking Cake Silicone Mold - Round 6-Cavity

Handmade Soap and Baking Cake Silicone Mold - Round 6-Cavity

$16.50

Meile Childhood Sponge Stamp Set - Kids' Paint Printing Tools with Sponge Brushes for Kindergarten Art

Meile Childhood Sponge Stamp Set - Kids' Paint Printing Tools with Sponge Brushes for Kindergarten Art

$14.30

2019 Jiangxi Isuzu Ruimai Lingtuo DMAX - Brand New Original Thickened Wear-Resistant Tires

2019 Jiangxi Isuzu Ruimai Lingtuo DMAX - Brand New Original Thickened Wear-Resistant Tires

$302.80

Pirelli P7 Run-Flat Tires 225 245 255 275 35 40 45 50 R17 18 19 20 21

Pirelli P7 Run-Flat Tires 225 245 255 275 35 40 45 50 R17 18 19 20 21

$340.00

Lint-Free Industrial Wiping Cloth - Oil-Removing Absorbent Paper for Car Paint Wax and Grease Removal

Lint-Free Industrial Wiping Cloth - Oil-Removing Absorbent Paper for Car Paint Wax and Grease Removal

$123.00

Henkel Loctite 495 Adhesive Genuine 401 406 416 460 496 Instant Glue Strong Industrial Adhesive for Metal and Plastic

Henkel Loctite 495 Adhesive Genuine 401 406 416 460 496 Instant Glue Strong Industrial Adhesive for Metal and Plastic

$6.00