Seiko Prospex Black Series Night Speedtimer Solar Chronograph Watch SSC917P1

Movement

Caliber Number: V192

Movement Type: Solar

Precision: ±15 seconds per month

Power reserve: Operating for approx. 6 months (when fully charged)

Functions

Display function of resuming electric power generation.

Overcharge prevention function

24-hour hand

Equipped with small seconds hand

Chronograph up to 60 minutes in 1/5 second increments

Date display

Case Material: Stainless steel (hard coating)

Case Size

Thickness:13.3mm 

Diameter:39.0mm 

Lug-to-lug:45.5mm

Crystal: 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

Magnetic Resistance: 4,800 A/m

Weight: 161.0g

Tachymeter function

Screw case back