Seiko Cal. 7057 - 531

This Spring Drive model from 1965 features a 43mm Hardlex-Coated Steel case. Powered by the 7057 caliber with 21j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-0b6fc5f50fca]

Also known as: Panda, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1965

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