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

All Categories
Best Seller (30)
New List (30)
Biliansheng Hair Transplant: Hairline Restoration and Top Density Enhancement

Biliansheng Hair Transplant: Hairline Restoration and Top Density Enhancement

$10,000.00

Yingtou NO.9 Nylon Scouring Pad Roll - Industrial Rust Removal and Cleaning Cloth Manufacturer

Yingtou NO.9 Nylon Scouring Pad Roll - Industrial Rust Removal and Cleaning Cloth Manufacturer

$84.00

PELICAN 1170 Safety Protective Case Outdoor Waterproof Case Pelican Small Moisture-Proof Bracelet Case Free Shipping

PELICAN 1170 Safety Protective Case Outdoor Waterproof Case Pelican Small Moisture-Proof Bracelet Case Free Shipping

$595.00

Wall-Mounted Disposable Face Towel Storage Box for Bathroom - Multi-Function Organizer for Used Cotton Towels

Wall-Mounted Disposable Face Towel Storage Box for Bathroom - Multi-Function Organizer for Used Cotton Towels

$8.42

Traditional Handmade Sheepskin Rattle Drum for Babies - Wooden Non-Toxic Teething Toy for Early Education (Intangible Cultural Heritage)

Traditional Handmade Sheepskin Rattle Drum for Babies - Wooden Non-Toxic Teething Toy for Early Education (Intangible Cultural Heritage)

$25.90

Commercial Vegetable Cutter for Chili, Branches, Pandan Leaves; Dicing and Slicing Machine; 304 Stainless Steel Bean Cutter

Commercial Vegetable Cutter for Chili, Branches, Pandan Leaves; Dicing and Slicing Machine; 304 Stainless Steel Bean Cutter

$18,630.00

Heavy-Duty Paper Cutter Parts - 20-Year Shandong Store Blade Holder Wooden Block Replacement Pad

Heavy-Duty Paper Cutter Parts - 20-Year Shandong Store Blade Holder Wooden Block Replacement Pad

$50.00

Ammonia Decomposition Hydrogen Production Equipment, Ammonia Cracking Furnace, Liquid Ammonia to Hydrogen System, Air Separation Unit

Ammonia Decomposition Hydrogen Production Equipment, Ammonia Cracking Furnace, Liquid Ammonia to Hydrogen System, Air Separation Unit

$15,479.00

Strawberry Planting Trough - Soil-Free A-Frame Vertical Planter for Vegetables and Fruits

Strawberry Planting Trough - Soil-Free A-Frame Vertical Planter for Vegetables and Fruits

$14.80

Forged Steel Wheel Hub Bolts Grade 12.9 Extended Screws Fade-Resistant for VW, Audi, Mercedes-Benz, BMW

Forged Steel Wheel Hub Bolts Grade 12.9 Extended Screws Fade-Resistant for VW, Audi, Mercedes-Benz, BMW

$95.00

Retainer Storage Case Orthodontic Appliance Soaking Cleaning Box Portable Invisible Aligner Holder for Dentures

Retainer Storage Case Orthodontic Appliance Soaking Cleaning Box Portable Invisible Aligner Holder for Dentures

$2.80

Baby Sheepskin Rattle and Shaker Stick - Brass and Peach Wood, Old-Style Handmade, Chewable, Newborn Gift Box

Baby Sheepskin Rattle and Shaker Stick - Brass and Peach Wood, Old-Style Handmade, Chewable, Newborn Gift Box

$74.00

Portable Orthodontic Retainer Cleaning Case - Rotating Travel Box for Invisible Aligners

Portable Orthodontic Retainer Cleaning Case - Rotating Travel Box for Invisible Aligners

$17.60

Full Denture Soaking and Storage Box with Filter Net for Retainers and False Teeth

Full Denture Soaking and Storage Box with Filter Net for Retainers and False Teeth

$4.80

Anka Bella Face Painting Pen Facial Special Brush Embossing Pen Line Drawing Petal Professional Pigment Pen

Anka Bella Face Painting Pen Facial Special Brush Embossing Pen Line Drawing Petal Professional Pigment Pen

$4.17

Balloon Warm Star Pre-sale: Do You Have an Illness? Phase 1 - Clash of Hearts Little Chu Su Series Merchandise

Balloon Warm Star Pre-sale: Do You Have an Illness? Phase 1 - Clash of Hearts Little Chu Su Series Merchandise

$16.00

Car Tire Stone Removal Hook - Portable Multi-function Tool for Cleaning Gravel from Tire Treads

Car Tire Stone Removal Hook - Portable Multi-function Tool for Cleaning Gravel from Tire Treads

$7.00

Imported TRANS Gearbox Eccentric Bearing 614 59 7187 616 0608 11-15 11 YSX

Imported TRANS Gearbox Eccentric Bearing 614 59 7187 616 0608 11-15 11 YSX

$183.00

Sichuan Rongxian Earthware Minfeng Wine Jar, Home Pottery with Porcelain Liner, 600-Jin Unglazed Sealed Fermentation Vessel for Homemade Liquor

Sichuan Rongxian Earthware Minfeng Wine Jar, Home Pottery with Porcelain Liner, 600-Jin Unglazed Sealed Fermentation Vessel for Homemade Liquor

$901.00

Garlic Drum Sorting Machine - Single-Clove Garlic Grading Separator and Onion Sizing Sorter - Factory Direct Sales

Garlic Drum Sorting Machine - Single-Clove Garlic Grading Separator and Onion Sizing Sorter - Factory Direct Sales

$38,080.00

Aizaofang Food-Grade Soft Silicone Handmade Soap Mold Korean Rectangular 3D Tree Shadow Silicone Mold

Aizaofang Food-Grade Soft Silicone Handmade Soap Mold Korean Rectangular 3D Tree Shadow Silicone Mold

$23.00

JMC Yusheng & Yuhu Parts – Crankshaft Position Sensor, Signal Sensor, Original Equipment

JMC Yusheng & Yuhu Parts – Crankshaft Position Sensor, Signal Sensor, Original Equipment

$95.00

[10% Off for 2 Items] Calligraphy Wool Felt Mat - Double-Sided Painted Practice Pad for Students, Bulk Wholesale, Includes Arm Rest and Four Treasures of the Study Set

[10% Off for 2 Items] Calligraphy Wool Felt Mat - Double-Sided Painted Practice Pad for Students, Bulk Wholesale, Includes Arm Rest and Four Treasures of the Study Set

$6.63

Leak-Proof Retainer Case with Double-Layer Filter for Braces, Aligners, and Dentures - Portable Cleaning and Soaking Box

Leak-Proof Retainer Case with Double-Layer Filter for Braces, Aligners, and Dentures - Portable Cleaning and Soaking Box

$22.50

Car Tire Stone Removal Hook Tool, Explosive Tire Prevention Gadget, Durable Zinc Alloy Tire Cleaning Hook for Automotive Care

Car Tire Stone Removal Hook Tool, Explosive Tire Prevention Gadget, Durable Zinc Alloy Tire Cleaning Hook for Automotive Care

$10.90

[Damai Micro-Needle Hair Transplant Patent] Micro-Needle Planting (500 Units) - Suitable for Temples and Hairline

[Damai Micro-Needle Hair Transplant Patent] Micro-Needle Planting (500 Units) - Suitable for Temples and Hairline

$4,500.00

Japan Original FEC Lifting Chain - Specialized for Electric Hoist, 6.3mm Diameter Carburized Lifting Chain

Japan Original FEC Lifting Chain - Specialized for Electric Hoist, 6.3mm Diameter Carburized Lifting Chain

$223.00

X-RAY Coating Thickness Gauge - Desktop Tianrui Professional Analyzer for Metal Electroplating Layers

X-RAY Coating Thickness Gauge - Desktop Tianrui Professional Analyzer for Metal Electroplating Layers

$9,589.60

Heavy Truck Tire Cleaning Strips - Wear-Resistant Mud Flaps and Inner Tube Skirts - Decorative Tire Tassels

Heavy Truck Tire Cleaning Strips - Wear-Resistant Mud Flaps and Inner Tube Skirts - Decorative Tire Tassels

$9.05

Mixue Bingcheng Tanned Snow King Blind Box Figure Girls Gift Birthday Cute Plush Keychain Holiday Present

Mixue Bingcheng Tanned Snow King Blind Box Figure Girls Gift Birthday Cute Plush Keychain Holiday Present

$21.01