Frontier Japanese Watch Crystal Opener Tool Set - Tool






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Vintage Japanese steel watch crystal opener tool set by Frontier Japanese Watch Crystal Opener Tool Set, model 'Super Tension SS Type', dating from the 1960s to the 1980s and complete in its original box.
Description from the seller
Vintage Japanese Watch Crystal Opener Tool Set – FRT Super Tension SS Type – Complete in Box
Description:
Offered is a vintage Japanese watchmaker’s tool set, branded FRT (Frontier Watch Tool Laboratory), model “Super Tension SS Type” (ART No. 921).
This specialized tool is designed for removing tension-fit watch crystals (glass) from wristwatches. It works by expanding or releasing the tension ring, allowing safe removal of the crystal without damaging the case — a classic and essential tool in traditional watch servicing.
The set includes the original hand tool with adjustment mechanism and a comprehensive selection of interchangeable toothed rings/adapters for different crystal sizes and profiles.
A highly collectible and functional piece of horological equipment, especially appealing to watchmakers, restorers, and collectors of vintage watch tools.
Contents:
Adjustable crystal remover tool (metal, textured finish)
Full set of interchangeable tension rings/adapters (various diameters and profiles)
Additional accessory component (as pictured)
Original box with printed lid
Instruction leaflet (Japanese)
Condition:
Tool: good vintage condition, with normal signs of use
Rings/adapters: complete set, with light oxidation/patina
Box: original but worn, with visible age-related stains
Overall: well-preserved, collectible, and likely still usable
Origin: Japan
Period: circa 1960s–1980s
Registered insured shipping.
Vintage Japanese Watch Crystal Opener Tool Set – FRT Super Tension SS Type – Complete in Box
Description:
Offered is a vintage Japanese watchmaker’s tool set, branded FRT (Frontier Watch Tool Laboratory), model “Super Tension SS Type” (ART No. 921).
This specialized tool is designed for removing tension-fit watch crystals (glass) from wristwatches. It works by expanding or releasing the tension ring, allowing safe removal of the crystal without damaging the case — a classic and essential tool in traditional watch servicing.
The set includes the original hand tool with adjustment mechanism and a comprehensive selection of interchangeable toothed rings/adapters for different crystal sizes and profiles.
A highly collectible and functional piece of horological equipment, especially appealing to watchmakers, restorers, and collectors of vintage watch tools.
Contents:
Adjustable crystal remover tool (metal, textured finish)
Full set of interchangeable tension rings/adapters (various diameters and profiles)
Additional accessory component (as pictured)
Original box with printed lid
Instruction leaflet (Japanese)
Condition:
Tool: good vintage condition, with normal signs of use
Rings/adapters: complete set, with light oxidation/patina
Box: original but worn, with visible age-related stains
Overall: well-preserved, collectible, and likely still usable
Origin: Japan
Period: circa 1960s–1980s
Registered insured shipping.
