Seiko Cal. 4431 - 874

This Spring Drive model from 1996 features a 38mm PVD Black case. Powered by the 4431 caliber with 29j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-55ac6ab92313]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1996

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