SwissStar automatic calendar watch, blue deal and strap

polished stainless steel
Automatic movement
21.600 oscillations per hour
Oscillator mutual winding
Indications of day, month, big date
indications of 24 hrs
size without crown c. 37 mm
waterproof 3 ATM
specially hardened mineral crystal
high quality leather strap, buckle with SwissStar gravure
screwed exhibition back