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Designed for everyday activity, the Casio W-738H-1AVEF combines a practical digital display with a compact, sporty profile. Its black resin case measures 42.8mm wide and 13.5mm thick, while the matching resin strap uses closely spaced adjustment holes to help create a secure and comfortable fit. Protected by resin glass, the easy-to-read display presents the time, day, and date at a glance.
This quartz watch features a 1/100-second stopwatch, countdown timer, dual time, multi-function alarm, hourly time signal, and full automatic calendar. A vibration alert offers a discreet alternative to audible alarms, while the amber LED backlight provides improved visibility in darker conditions. The approximately ten-year battery life supports dependable long-term use, and the watch weighs just 43g with water resistance up to 100 metres.
• Powered by the quartz movement
• Presented on a black plastic strap with traditional buckle
• Plastic glass
• 42.8mm case width & 47.0mm case length measuring from lug to lug
• 100 metre water resistance
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TECHNICAL SPECIFICATIONS
General
Our Code
21-42-25164655
Brand
Casio
Gender
Mens
Case Depth
13.5mm
Brand Code
W-738H-1AVEF
Watch Display
Digital
Warranty
2 Year Casio Warranty
Chronograph
Yes
Back Light
Yes
Alarm
Yes
Case Width
42.8mm
Packaging
Official Casio Packaging
Glass Type
Plastic
Clasp Type
Traditional Buckle
Case Shape
Square
Case Material
Plastic
Dial Colour
Screen
Strap
Strap Type
Plastic Strap
Strap Colour
Black
Movement
Watch Movement
Quartz
https://www.houseofwatches.co.uk/casio-mens-black-digital-strap-watch-w-738h-1avef50277Casio Mens Black Digital Strap Watch W-738H-1AVEFhttps://www.houseofwatches.co.uk/media/catalog/product/2/1/21-42-25164655_casio-w-738h-1avef-screen-dial-watch-01.jpg40.9545GBPOutOfStock/All Watches/BRANDS/Brands A-Z/Casio/Casio Chronograph/BRANDS/Brands A-Z/Casio/Casio Sale/OUTLET/BRANDS/Brands A-Z/Casio/Casio Mens/Mens/Chronograph/Mens/Digital/Mens/Waterproof/All Watches/Collection By Price/£30 - £59.99/All Watches/Alarm Watches/All Watches/Backlight Watches/All Watches/Strap Watch/All Watches/Collection By Price/Below £150/All Watches/Quartz (Battery) Watches/All Watches/Watches Under £50/All Watches/Digital Watches/All Watches/Watches Under £100/All Watches/Gadget Watches/All Watches/Water Resistant Watches/All Watches/Collection By Price/All Watches/Strap Watch/Plastic Strap Watches/All Watches/Valentines Day/Watches for Him/Mens/Strap Watches/Mens/Mens/New In/BRANDS/Brands A-Z/Casio/BRANDS/Brands A-Z/All Watches/Valentines Day/Mens/Best Sellers/NEW WATCHES26118691412342186716881689169532027227543221694391331423192442416603181387132917531974431671611164446339121431611671972613184321164Blk Sw Digi Dis Designed for everyday activity, the Casio W-738H-1AVEF combines a practical digital display with a compact, sporty profile. Its black resin case measures 42.8mm wide and 13.5mm thick, while the matching resin strap uses closely spaced adjustment holes to help create a secure and comfortable fit. Protected by resin glass, the easy-to-read display presents the time, day, and date at a glance.
This quartz watch features a 1/100-second stopwatch, countdown timer, dual time, multi-function alarm, hourly time signal, and full automatic calendar. A vibration alert offers a discreet alternative to audible alarms, while the amber LED backlight provides improved visibility in darker conditions. The approximately ten-year battery life supports dependable long-term use, and the watch weighs just 43g with water resistance up to 100 metres.
• Powered by the quartz movement
• Presented on a black plastic strap with traditional buckle
• Plastic glass
• 42.8mm case width & 47.0mm case length measuring from lug to lug
• 100 metre water resistanceCasiohttps://www.houseofwatches.co.uk/media/catalog/product/2/1/21-42-25164655_casio-w-738h-1avef-screen-dial-watch-02.jpghttps://www.houseofwatches.co.uk/media/catalog/product/2/1/21-42-25164655_casio-w-738h-1avef-screen-dial-watch-03.jpghttps://www.houseofwatches.co.uk/media/catalog/product/2/1/21-42-25164655_casio-w-738h-1avef-screen-dial-watch-04.jpghttps://www.houseofwatches.co.uk/media/catalog/product/2/1/21-42-25164655_casio-w-738h-1avef-screen-dial-watch-05.jpghttps://www.houseofwatches.co.uk/media/catalog/product/2/1/21-42-25164655_casio-w-738h-1avef-screen-dial-watch-06.jpg4549526424908add-to-cartcondition:Noproducttype:Watchsearch_keywords:waterproof,thick,chunkysku:21-42-25164655NoWatchwaterproof,thick,chunky21-42-25164655CasioYesMens100 metres13.5mmW-738H-1AVEFNoNoDigital2 Year Casio WarrantyYesYesYes42.8mmNoNoOfficial Casio PackagingPlasticTraditional BuckleSquarePlasticScreenPlastic StrapBlackQuartz214225164655Casio Mens Black Digital Strap Watch2026-07-31 00:00:00["\/BRANDS~|~\/brands\/~|~10","\/BRANDS\/Brands A-Z~|~\/brands-a-z\/~|~12","\/BRANDS\/Brands A-Z\/Casio~|~\/casio-watches\/~|~31","\/Mens~|~\/mens-watches\/~|~48","\/All Watches~|~\/watches\/~|~85","\/All Watches\/Alarm Watches~|~\/alarm-watches\/~|~2","\/All Watches\/Backlight Watches~|~\/backlight-watches\/~|~6","\/All Watches\/Collection By Price~|~\/watch-prices\/~|~193","\/All Watches\/Collection By Price\/\u00a330 - \u00a359.99~|~\/price-30-59-99\/~|~116","\/NEW WATCHES~|~\/new-watches\/~|~124","\/OUTLET~|~\/outlet\/~|~127","\/All Watches\/Digital Watches~|~\/digital-watches\/~|~21","\/All Watches\/Gadget Watches~|~\/gadget-watches\/~|~27","\/All Watches\/Strap Watch~|~\/strap-watches\/~|~66","\/All Watches\/Quartz (Battery) Watches~|~\/quartz-watches\/~|~48","\/Mens\/New In~|~\/new-mens-watches\/~|~1","\/Mens\/Best Sellers~|~\/mens-best-sellers\/~|~4","\/All Watches\/Watches Under \u00a350~|~\/watches-under-50\/~|~69","\/All Watches\/Strap Watch\/Plastic Strap Watches~|~\/plastic-strap-watches\/~|~3","\/BRANDS\/Brands A-Z\/Casio\/Casio Sale~|~\/casio-sale-watches\/~|~3","\/All Watches\/Water Resistant Watches~|~\/waterproof-watches\/~|~74","\/Mens\/Chronograph~|~\/mens-chronograph-watches\/~|~6","\/Mens\/Digital~|~\/mens-digital-watches\/~|~8","\/Mens\/Waterproof~|~\/mens-waterproof-watches\/~|~14","\/Mens\/Strap Watches~|~\/mens-strap-watches\/~|~21","\/BRANDS\/Brands A-Z\/Casio\/Casio Mens~|~\/casio-mens-watches\/~|~1","\/BRANDS\/Brands A-Z\/Casio\/Casio Chronograph~|~\/casio-chronograph-watches\/~|~12","\/All Watches\/Watches Under \u00a3100~|~\/watches-under-100\/~|~70","\/All Watches\/Collection By Price\/Below \u00a3150~|~\/watches-under-150\/~|~157"]2026-07-31