Seiko Cal. 4441 - 799

This Spring Drive model from 1970 features a 39mm Hardlex-Coated Steel case. Powered by the 4441 caliber with 34j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-570521ac9732]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1970

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