Seiko Cal. 0770 - 721

Seiko 0770-721

This Kinetic model from 1974 features a 37mm Hardlex-Coated Steel case. Powered by the 0770 caliber with 34j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-fb1fe2e566e9]

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
14.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
100m
Dial Color
Green
Jewels
34j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1974

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