Seiko Cal. 4515 - 381

This Spring Drive model from 1972 features a 45mm Gold-Plated case. Powered by the 4515 caliber with 22j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-462886b0fbbe]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1972

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