Prospex Speedtimer

Calibre
Calibre Type: Automatic
Calibre Function: Chronograph
Accuracy: +25 -15 seconds a day at normal temperature range (5°C and 35°C)
Power Reserve/Battery Life: Approx. 45 Hours Power Reserve
Battery: N/A
Calibre Number: 8R46
Display: Analogue
Case
Water Resistance: 100 Metres
Case Material: Stainless steel (super hard coating)
Case Size (Thickness): 15.1mm
Case Size (Diameter): 42.5mm
Case Color: Silver
Band/Bracelet: Bracelet - Stainless Steel
Band Color: Silver
Glass Material: Dual-curved sapphire crystal
Crown: Pull Out
Rotating Bezel: N/A
Dial Color: Charcoal
Layout
Hand Indicators: Hour. Minute. Seconds
Calendar Indicators: Date
Lumibrite: Hands & Hour Markers
Dial Markers: Batons
Features
Hand Winding Capability: Yes

See-through case back: Yes

Stopwatch: Stopwatch measures 30 Minuites in 1/5th of a second increments

Tachymetre: Yes