Seiko Cal. 4431 - 779

This Hand-Winding model from 1997 features a 39mm Two-Tone case. Powered by the 4431 caliber with 26j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-f3913cd43af3]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1997

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