Seiko Cal. 7057 - 702

This Spring Drive model from 1976 features a 46mm Hardlex-Coated Steel case. Powered by the 7057 caliber with 18j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-50cc7b51b187]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1976

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