Seiko Cal. 6633 - 818

Seiko 6633-818

This Hand-Winding model from 1990 features a 37mm Two-Tone case. Powered by the 6633 caliber with 21j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-4b62e0191687]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
37mm
Case Thickness
14.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
70m
Dial Color
Black
Jewels
21j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1990

Related Models

seikata-wm-4b62e0191687