Seiko Prospex Speedtimer SSC939

Movement

Caliber Number

V192

Movement Type

Solar

Precision

±15 seconds per month

Power reserve

Operating for approx. 6 months (when fully charged)

Functions

• Overcharge prevention function
• 24-hour hand
• Equipped with small seconds hand
• Chronograph up to 60 minutes in 1/5 second increments
• Power reserve indicator
• Date display

Case/Band

Case Material

Stainless steel

Case Size

Thickness:13.0mm
Diameter:41.4mm
Lug-to-lug:45.9mm

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

21

Other Details

Water Resistance

10 bar

Magnetic Resistance

4,800 A/m

Weight

164.0

Features

• Tachymeter function
• Screw case back