Seiko Cal. 4528 - 807

This Spring Drive model from 1974 features a 41mm Hardlex-Coated Steel case. With its 19mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-e76b73d55d88]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1974

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