Seiko Cal. 0731 - 277

Seiko 0731-277

This Hand-Winding model from 1974 features a 43mm Hardlex-Coated Steel case. Powered by the 0731 caliber with 26j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-196526e5de2a]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
8.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Navy
Jewels
26j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1974

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seikata-wm-196526e5de2a