Seiko Cal. 4443 - 381

This Spring Drive model from 1970 features a 36mm PVD Black case. With its 19mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-0a15176234ba]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1970

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