Seiko Cal. 4441 - 957

The Seiko 4441-957 represents an important milestone in Seiko's 1992 lineup. Powered by the 4441 caliber with 17j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-7e5df0253799]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1992

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