Seiko Cal. 4446 - 945

The Seiko 4446-945 represents an important milestone in Seiko's 1975 lineup. Powered by the 4446 caliber with 29j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-c129c50d6a98]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1975

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