Seiko Cal. 4539 - 899

This Spring Drive model from 1975 features a 37mm Stainless Steel case. With its 20mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-02ed38086b69]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1975

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