Seiko Cal. 7030 - 512

Seiko 7030-512

This Hand-Winding model from 1978 features a 37mm Hardlex-Coated Steel case. Powered by the 7030 caliber with 22j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-cea7d641374b]

Also known as: Sumo, Helmet

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
10.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
70m
Dial Color
Cream
Jewels
22j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1978

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