Seiko Prospex Speedtimer Stainless Steel Automatic 42 MM Black Dial Watch SRQ055J1

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 inner surface

LumiBrite

LumiBrite on hands and index(es)

Clasp

Three-fold clasp with push button release

Bracelet Length

197.0

Distance between lugs

20

Other Details

Water Resistance

10 bar

Weight

191.0g

Features

Tachymeter function

Screw case back