Seiko Cal. 6156 - 644

Seiko 6156-644

This Hand-Winding model from 1988 features a 34mm PVD Black case. Powered by the 6156 caliber with 36j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-90c531e80c71]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
34mm
Case Thickness
14.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
140m
Dial Color
Black
Jewels
36j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1988

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seikata-wm-90c531e80c71