Seiko Prospex Speedtimer 42 MM SS Automatic Black Dial Watch SRQ053J1 Hamilton 30-minutes and 1/10 of a

30-minutes and 1/10 of a second counters

Dimension: Ø 34

features a world map on the dial

0mm Thickness 14

Each model is a harmonious marriage of elegance and technology

Seiko Prospex Speedtimer 42 MM SS Automatic Black Dial Watch SRQ053J1 Hamilton 30-minutes and 1/10 of aMovement Caliber Number: 8R48 Movement Type: Automatic with manual winding Precision: +25 to 15 seconds per day Power reserve: Approx. 45 hours Jewels: 34 Functions Chronograph with 30 minutes & 12 hours Stop second hand function Date display Case Band Case Material: Stainless steel (super hard coating) Case Size: Thickness: 14. 6mm Diameter: 42. 0mm Lug to lug: 49. 5mm Crystal: Dual curved sapphire crystal Crystal Coating: Anti reflective coating on