Seiko Cal. 7030 - 831

Seiko 7030-831

This Hand-Winding model from 1967 features a 37mm Hardlex-Coated Steel case. Powered by the 7030 caliber with 28j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-9216ef2a15ce]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
8.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
50m
Dial Color
Black
Jewels
28j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1967

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seikata-wm-9216ef2a15ce