Motiont
Automatic automatic winding.8204 Caliber with Automatic Refill, 21 Ruby Ruby, 21600 Vibrations. -10 / + 20 seconds every 24 hours "precision interval".
Function
Stop seconds. 42-hour power reserve. PROFESSIONAL DIVER Certified ISO 6425.
Housing
Steel with screwed crown for time change to eight hours with Promaster logo.
Dial
blue with a blue unidirectional rotating bezel.
Bracelet
High resistance rubber.
Glass
Sapphire with antireflection treatment.
Diameter
44 mm
Thickness
13 mm
weight
106 grams
.Sealing
WR 200 meters 20 bars