brand:
Omega
modell:
Speedmaster
ref-Nr.:
3873.50.31
Omega Speedmaster 3873.50.31
incasement
steel, polished/brushed, crown and push-buttons with flank protection, saphir glass, and crystal back
bracelet
leather strap black
locker
clasp in steel
face
black, markers in superlite-luminous material, hands in white with superlite-luminous material
lunette
bezel with tachymeter scale
clockwork
mechanical with manual winding, Omega caliber 1863 (base caliber Nouvelle Lémania 1873), 17 jewels, 21.600 A/h, 48-hour power reserve
functions
hours, minutes, small second, chronograph
diameter
42 mm
thickness
14 mm
speciality
water-protected till 3 atm