OCEANAUT OC0439 watch 31 mm case 17 mm band 30 m water resistant

Casual 31 mm quartz watch

The Oceanaut OC0439 is a casual wristwatch with a round 31 mm stainless-steel case and a green dial. A quartz movement keeps time, while scratch-resistant mineral crystal protects the face. The multi-colour silicone strap fastens with a buckle and is adjustable for fit. Water resistance is rated to 30 metres (100 feet).

Suits daily wear, not diving

This watch fits adults looking for a simple everyday accessory with a colourful silicone band and no date window. Buyers who need a chronograph function, a date display or deeper water resistance for swimming or diving should consider a different model. The 17 mm band width and 7 inch length are fixed dimensions to check against wrist size.

30 m water resistance decides use

The single specification that defines suitable activities is the 3 ATM rating, equal to 30 metres or 100 feet. It covers splashes, rain and brief immersion but not swimming, snorkelling or any pressurised water exposure. Confirm this limit matches the intended use before purchase.