Seiko Cal. 3831 - 471

This Quartz model from 1991 features a 39mm PVD Black case. Powered by the 3831 caliber with 36j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-d8001013a591]

Also known as: Tuna, Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1991

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