Seiko Cal. 4557 - 687

This Spring Drive model from 1985 features a 40mm Gold-Plated case. Powered by the 4557 caliber with 33j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-d759745d3201]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1985

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