Seiko Cal. 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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