Seiko Cal. 5257 - 429

This Spring Drive model from 1972 features a 44mm PVD Black case. Powered by the 5257 caliber with 20j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-8b15a65d44ad]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1972

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