Seiko Cal. 4539 - 945

This Spring Drive model from 1974 features a 39mm PVD Black case. With its 21mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-ce5bf4aab3b4]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1974

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