Seiko Cal. 3831 - 233

This Hand-Winding model from 1988 features a 45mm Gold-Plated case. Powered by the 3831 caliber with 19j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-873ec828193d]

Also known as: Bullhead, World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1988

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