Model reference: 903 St II B E
Functions and Complications
Basic Functions: Central hr, Central min, small sec
Case and Crystal
Water resistance: 200m, 20bar
Case material: Stainless steel
Lug width for bracelet: 22 mm
Lug-to-lug distance: 48 mm
Caseback: Sapphire see-through
Movement
Movement winding: Automatic
Frequency - Variations per hour: 4Hz - 28'800 V/h
Dial, hour markers, hands
Hour markers: Applied markers
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