Casio G-SHOCK 5900 Series Triple Graph Water Resist Digital Watch (DW-5900U-1ER)

Overview

The Casio G-SHOCK DW-5900U-1ER continues the legacy of the iconic 5900 series, featuring the distinctive “triple graph” display and a durable resin construction. Updated with a high-brightness LED backlight and extended 10-year battery life, this model improves efficiency while maintaining core G-SHOCK toughness. Designed for reliable everyday wear, it combines shock resistance and 200-metre water resistance with practical digital functions including world time, stopwatch and countdown timer.

Key Features

• Shock-resistant construction
• 200-metre water resistance
• Approx. 10-year battery life for long-term reliability
• Classic 5900-series “triple graph” display layout
• World time (29 time zones, 48 cities + UTC; DST on/off)
• 1/100-second stopwatch with elapsed, split and 1st–2nd place timing
• Countdown timer (up to 24 hours)
• Five daily alarms (including one snooze) and hourly time signal
• LED backlight (Super Illuminator) with selectable duration and afterglow
• Full auto-calendar (to year 2099) and 12/24-hour format

Specifications

• Case size (L×W×H): 51.4 × 46.8 × 15.5 mm :contentReference[oaicite:0]{index=0}
• Weight: 60 g :contentReference[oaicite:1]{index=1}
• Case and bezel material: Resin :contentReference[oaicite:2]{index=2}
• Band: Resin band :contentReference[oaicite:3]{index=3}
• Construction: Shock resistant :contentReference[oaicite:4]{index=4}
• Water resistance: 200-metre water resistance :contentReference[oaicite:5]{index=5}
• Power supply and battery life: Approx. 10 years on CR2025 :contentReference[oaicite:6]{index=6}
• Glass: Mineral glass :contentReference[oaicite:7]{index=7}
• Compatible band size: 145–215 mm :contentReference[oaicite:8]{index=8}
• Country of origin: China :contentReference[oaicite:9]{index=9}

Watch Features

• World time: 29 time zones (48 cities + UTC), daylight saving on/off :contentReference[oaicite:10]{index=10}
• Stopwatch: 1/100-second; elapsed time, split time, 1st–2nd place timing :contentReference[oaicite:11]{index=11}
• Timer: Countdown timer; measuring unit 1 second; range 24 hours :contentReference[oaicite:12]{index=12}
• Alarm/hourly time signal: 5 daily alarms (with 1 snooze); hourly time signal :contentReference[oaicite:13]{index=13}
• Light: LED backlight (Super Illuminator) with selectable duration and afterglow :contentReference[oaicite:14]{index=14}
• Light colour: LED: White :contentReference[oaicite:15]{index=15}
• Calendar: Full auto-calendar (to year 2099) :contentReference[oaicite:16]{index=16}
• Accuracy: ±15 seconds per month :contentReference[oaicite:17]{index=17}
• Other: 12/24-hour format; button operation tone on/off :contentReference[oaicite:18]{index=18}
• Regular timekeeping: Hour, minute, second, pm, date, day :contentReference[oaicite:19]{index=19}

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
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Northern Ireland or Highlands & Islands available from £3.95

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