Seiko Cal. 5657 - 201

This Spring Drive model from 1980 features a 45mm Gold-Plated case. Powered by the 5657 caliber with 33j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-6295cb6bec1f]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1980

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