Up for sale is a rare vintage Casio Yacht Timer TRW-31 men’s digital sports watch, a Japan Domestic Market (JDM) release from the 1980s powered by Casio’s 862 module. Designed specifically for aquatic use, this 1980s-era timepiece features a yacht countdown timer, 10 BAR (100m) water resistance, and a durable resin case and strap built for water sports enthusiasts.

The watch is in new old stock (NOS) condition without tags and shows no signs of wear. All components are 100% original, including the factory-issued resin strap marked “YACHT TIMER” and “WATER SPORTS,” both of which remain in pristine condition.

All functions have been fully tested and operate perfectly — including timekeeping, calendar, yacht countdown timer, and alarm.

Please review the high-resolution photos provided for the most accurate representation of its physical condition.

Key Features:

• Model: Casio TRW-31

• Module: 862

• Era: 1980s

• Movement: Digital Quartz

• Origin: Japan Domestic Market (JDM)

• Water Resistance: 10 BAR / 100 meters

• Band: Original resin strap with “YACHT TIMER” and “WATER SPORTS” text

• Case Back: Stainless steel, marked Japan T

• Condition: New without tags. All functions working perfectly

This is an exceptional collector’s piece for vintage Casio fans or water sports watch enthusiasts — rarely found in such untouched condition.

Ships carefully.

Feel free to message me with any questions.