Seiko Cal. 3831 - 745

This Solar model from 1991 features a 35mm Two-Tone case. Powered by the 3831 caliber with 21j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-68571681dc91]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1991

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