Seiko Cal. 4437 - 234

This Spring Drive model from 1980 features a 43mm PVD Black case. With its 21mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-5864484ee43b]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1980

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