Casio G-SHOCK 5900 Series Triple Matte Finish Graph Digital Watch (DW-5900UBB-1ER)

Overview

The Casio G-SHOCK DW-5900UBB-1ER features a stealth all-black design built around the iconic 5900-series “triple graph” layout. Combining rugged shock resistance with 200-metre water resistance, it is designed for reliable everyday use. Updated with a high-brightness LED backlight and an extended 10-year battery life, it delivers improved efficiency while retaining core G-SHOCK functionality including world time, stopwatch and timer features. :contentReference[oaicite:0]{index=0}

Key Features

• Shock-resistant construction
• 200-metre water resistance
• Stealth all-black matte design with negative display
• Approx. 10-year battery life for long-term reliability
• World time (29 time zones, 48 cities + UTC)
• 1/100-second stopwatch with elapsed, split and 1st–2nd place timing
• Countdown timer up to 24 hours
• Five daily alarms (including snooze) and hourly time signal
• LED backlight for improved visibility in low light
• Full auto-calendar (to year 2099) and 12/24-hour format

Specifications

• Case size (L×W×H): 51.4 × 46.8 × 15.5 mm
• Weight: approx. 60 g
• Case and bezel material: Resin
• Band: Resin band
• Construction: Shock resistant
• Water resistance: 200-metre water resistance
• Power supply and battery life: Approx. 10 years on CR2025
• Glass: Mineral glass
• Compatible band size: 145–215 mm
• Country of origin: China

Watch Features

• World time: 29 time zones (48 cities + Coordinated Universal Time), daylight saving on/off
• Stopwatch: 1/100-second; measuring capacity 59'59.99''; modes: elapsed time, split time, 1st–2nd place times
• Timer: Countdown timer; measuring unit 1 second; range 24 hours; start time setting 1 minute to 24 hours
• Alarm/hourly time signal: 5 daily alarms (with 1 snooze); hourly time signal
• Light: LED backlight with afterglow
• Calendar: Full auto-calendar (to year 2099)
• Accuracy: ±15 seconds per month
• Other: 12/24-hour format; regular timekeeping — hour, minute, second, pm, month, date, day

Authorised Casio Retailer

TacTree is an authorised Casio UK retailer. All Casio watches supplied are 100% genuine, brand new and sourced through approved UK distribution channels. Orders are supplied with official Casio packaging and manufacturer documentation for complete authenticity and peace of mind.

Delivery:

Free Tracked Delivery on orders over £30
Free Express Delivery on orders over £150
Collect in store - Free
Northern Ireland or Highlands & Islands available from £3.95

For full information refer to our Delivery Information page

Returns:

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