Seiko Cal. 4527 - 604

This Spring Drive model from 1978 features a 43mm Titanium case. With its 20mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-dd043611af95]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1978

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