Seiko Cal. 4441 - 957

The Seiko 4441-957 represents an important milestone in Seiko's 1979 lineup. Powered by the 4441 caliber with 35j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-cc89528d9520]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1979

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