Basic Functions: Central hr, Central min, small sec

Complications:

Chronograph

Water resistance: 30m, 3bar

Case material: Stainless steel

Case size: 40 mm

Weight: 74 grams

Thickness: 14 mm

Lug width for bracelet: 20 mm

Lug-to-lug distance: 46.2 mm

Sea-Gull ST1901B

Winding type: manual-wind

Chinese made

50 hours Power Reserve

Accuracy: -10/15 seconds / day

Frequency - Variations per hour: 3Hz - 21600 V/h

21 jewels

Diameter: 31.3mm,

Thickness: 6.25mm

Anti-shock: Incabloc