Seiko Cal. 4446 - 399

This Automatic model from 1981 features a 44mm Stainless Steel case. Powered by the 4446 caliber with 36j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-de024be22e3f]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1981

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