Seiko Cal. 4445 - 344

This Spring Drive model from 1981 features a 35mm Hardlex-Coated Steel case. Powered by the 4445 caliber with 30j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-5767d7e6b450]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1981

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