---
type: product
title: G-Shock DW-5900U-1ER Digital 5900 Series Watch
handle: g-shock-dw-5900u-1er-digital-5900-series-watch
url: >-
  https://www.hsjohnson.com/products/g-shock-dw-5900u-1er-digital-5900-series-watch
sku: DW-5900U-1ER
price: '8000.0'
currency: GBP
tags:
  - in_stock
  - Mens
  - new-arrival
  - Womens
collections:
  - Watches
  - G-Shock
  - In Stock
  - All
  - Mens Watches
  - Womens Watches
  - OrderlyEmails - Recommended Products
  - New Arrivals
variants:
  - title: Default Title
    price: '80.00'
    sku: DW-5900U-1ER
images:
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    https://cdn.shopify.com/s/files/1/0621/1164/5922/files/DW-5900U-1ER_Custom.jpg?v=1783663541
  - >-
    https://cdn.shopify.com/s/files/1/0621/1164/5922/files/DW-5900U-1ER1_Custom.jpg?v=1783663541
  - >-
    https://cdn.shopify.com/s/files/1/0621/1164/5922/files/DW-5900U-1ER3_Custom.jpg?v=1783663540
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  - >-
    https://cdn.shopify.com/s/files/1/0621/1164/5922/files/DW-5900U-1ER2_Custom_-fotor-2026070991813.jpg?v=1783663541
created_at: null
updated_at: null
metafields:
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  global.tag-21-minimum-price: '60'
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---

Experience the iconic legacy of early G-SHOCK design with the DW-5900U-1ER, featuring the signature triple-graph LCD display that defined a generation. This classic timepiece blends nostalgic aesthetics with modern reliability—authentic dial markings honour the original, while a bright LED backlight ensures visibility in any condition. Packed with practical features including stopwatch and countdown timer functions, it's built to last with an impressive 10-year battery life. Slip it on and forget about it; this is a watch designed for everyday wear without compromise.

**We are a Casio UK authorised dealer**

**New boxed stock with full retail boxes & paperwork**

  

**Basic Information**  
Case size (L× W× H)  
51.4 × 46.8 × 15.5 mm  
Weight  
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. battery life: 10 years on CR2025  
Country of origin  
China  
**Exterior**  
Glass  
Mineral Glass  
Compatible band size  
145 to 215 mm  
**Watch Features**  
World time  
29 time zones (48 cities), daylight saving on/off  
Stopwatch  
1/100-second stopwatch  
Measuring capacity: 59'59.99''  
Measuring modes: Elapsed time, split time, 1st-2nd place times  
Timer  
Countdown timer  
Measuring unit: 1 second  
Countdown range: 24 hours  
Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)  
Alarm/hourly time signal  
5 daily alarms (with 1 snooze alarm)  
Hourly time signal  
Light  
LED light (Super Illuminator)   
Selectable illumination duration (1.5 seconds or 3 seconds), afterglow  
Light colour  
LED: White  
Calendar  
Full auto-calendar (to year 2099)  
Mute feature  
Button operation tone on/off  
Accuracy  
Accuracy: ±15 seconds per month  
**Other features**  
12/24-hour format  
Regular timekeeping:  
Hour, minute, second, pm, date, da**y**