Casio Classic Black Stainless Steel Alarm Unisex Watch - B640WB-1B Boss 10 months on rechargeable battery

10 months on rechargeable battery (operation period with normal use without exposure to light after charge)

Crafted from all Stainless Steel construction

Dial Colour: MULTIcolour

Calibre number E031

Dial Colour: Khaki

Casio Classic Black Stainless Steel Alarm Unisex Watch - B640WB-1B Boss 10 months on rechargeable batteryStraight from the Casio Vintage Collection comes a timepiece that never goes out of style. The B640 combines style with features Casio is known for such as an EL back light and a 1 100th second stopwatch. This timepiece is the perfect complement to any outfit. Basic Information Case size: 38. 9 35 9. 4 mm Weight: 49 g Case and bezel material: Resin Band Adjustable Clasp Stainless Steel Band Water resistance: 5 ATM Power supply and battery life Approx.