Seiko Cal. 4443 - 712

This Hand-Winding model from 1970 features a 46mm Stainless Steel case. With its 19mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-3776e2542d7f]

Also known as: Monster, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1970

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