Seiko Cal. 7057 - 978

Seiko 7057-978

This Quartz model from 1971 features a 38mm Hardlex-Coated Steel case. Powered by the 7057 caliber with 35j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-513311b20c2e]

Also known as: Monster

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
12.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Silver
Jewels
35j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1971

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seikata-wm-513311b20c2e