The Casio MRW-230H-1E1VDF-S is a rugged marine-inspired analog watch designed for everyday adventures. Featuring a black aluminum rotating timer bezel, bold high-contrast dial, and convenient day and date display, it combines classic dive-watch styling with Casio's trusted durability. With 100-meter water resistance, lightweight resin construction, and precise quartz movement, it is well suited for swimming, fishing, boating, outdoor activities, travel, and everyday wear. Official specifications are based on Casio's product documentation.
Key Features
Marine-inspired dive-style design
100-meter water resistance (10 Bar)
Black aluminum rotating timer bezel
Day and date display
Large, easy-to-read analog dial
Quartz analog movement
Lightweight resin construction
Comfortable resin strap
Durable everyday sports watch
Timekeeping
Displays:
Hour
Minute
Second
Day of the week
Date
Standard three-hand analog timekeeping
Day and date window positioned at 3 o'clock
Rotating Timer Bezel
Rotating timer bezel for measuring elapsed time
Durable black aluminum bezel insert
Useful for tracking swimming sessions, workouts, outdoor activities, and everyday timing tasks
Design & Materials
Durable black resin case
Black aluminum bezel insert
Black resin strap
Resin glass
Large black dial
Bold luminous-style hands and hour markers for excellent readability
Lightweight construction for comfortable all-day wear
Classic all-black marine-inspired styling
Colors
Case: Black
Bezel: Black Aluminum
Band: Black Resin
Dial: Black
Hour Markers: White luminous-style markers
Hands: White luminous-style hour and minute hands with black second hand
Note: The 1E1V variant features a black aluminum rotating bezel for a clean monochrome appearance. All technical specifications and functions are identical across the MRW-230H series.
Power
Battery Type: SR626SW
Approximate Battery Life: 3 Years
Water Resistance
100 meters (10 Bar)
Suitable for:
Swimming
Snorkeling
Fishing
Boating
Water sports
Everyday wear
Not suitable for scuba diving.
What's Included
Casio MRW-230H-1E1VDF-S Watch
Original Casio Box
Instruction Manual
Warranty Card (provided by the authorized distributor)
