Seiko Prospex Speedtimer Solar Automatic 42.5 MM SS Watch SRQ037J1

Caliber Number: 8R46

Movement Type: Automatic with manual winding

Precision: +25 to -15 seconds per day

Power reserve: Approx. 45 hours

Jewels: 34

Functions:

Equipped with small seconds hand

Stop second hand function

Case Material: Stainless steel (super hard coating)

Case Size:

Thickness:15.1mm

Diameter:42.5mm

Lug-to-lug:50.0mm

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

Distance between lugs: 20mm

Water Resistance: 10 bar

Weight: 194.0g

Features: See-through & Screw case back