Seiko Cal. 4577 - 555

This Spring Drive model from 1976 features a 38mm Stainless Steel case. Powered by the 4577 caliber with 18j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-73d386d8d25d]

Also known as: Panda, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1976

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