Casio Collection Watch W-738H-3AVEF

Presenting the Casio W-738H-3AVEF, a digital watch from the Timeless Collection Men that immediately stands out thanks to its square olive green resin case. The case is framed by a matte black bezel with chamfered edges that give it a rugged yet compact character. The slightly rounded rectangular crystal covers an LCD display with a grey-green background where sharp black digits stand out with excellent legibility. At the top of the display, the day of the week and a secondary time zone are shown, while the centre zone features large main time digits. A seconds counter sits to the right of the main time readout. The bell icon and vibration symbol visually confirm that the vibration alarm is active. The integrated strap, crafted in the same olive green tone as the case, features a smooth surface with subtle transverse grooves that improve grip and wrist comfort. On the bottom of the case, a button labelled LIGHT activates the display illuminator. The side buttons MODE, ADJUST, SPLIT and START complete the layout with a functional finish fully coherent with the watch's military aesthetic.

Inside runs the Casio module 3588, a digital calibre offering a solid set of everyday features. The watch includes a daily alarm with vibration (the function that lends its name to the VIBRATION ALARM inscription on the upper case), a stopwatch with split time, a second time zone, auto-calendar, and 12/24-hour format. The CR2032 battery delivers up to 10 years of autonomy, a fact the display itself announces with the text 10 YEAR BATTERY. Water resistance reaches 100 metres, making it suitable for swimming and recreational water activities. The LED illuminator provides visibility in low-light conditions.

The Casio W-738H-3AVEF belongs to the Timeless Collection, Casio's line of classic digital watches that has been delivering reliability and functionality for decades. Casio has been refining its digital modules since 1974, and this model inherits all that accumulated expertise: timeless design, durable materials and features that go well beyond everyday needs. The olive green colour connects it to a field watch aesthetic that remains as relevant today as it was at its origin.

Shopping at TicTacArea.com means buying from real jewelers with over 30 years of industry experience, serving as official distributors, online since 1999. Every product is genuine, factory-new, and delivered with its official presentation box, documentation, and international warranty.

Technical Specifications

Reference: W-738H-3AVEF
Module/Calibre: 3588
Type: Digital
Movement: Digital quartz
Water Resistance: 100 metres (WR100M)
Case Material: Resin
Case Colour: Olive green
Strap Material: Resin
Strap Colour: Olive green
Dial/Display Colour: Grey-green (LCD)
Crystal: Mineral
Light: LED illuminator (LIGHT button)
Case Dimensions: 42.8 x 47.0 mm
Thickness: 13.5 mm
Weight: 43.0 g
Functions: Hours and minutes, seconds, auto-calendar, day of week, second time zone, daily vibration alarm, stopwatch with split time, 12/24-hour format, illuminator
Battery: CR2032 (approx. 10-year life)
Made for: Men

User manual

Download the manual in English (PDF)