Seiko Cal. 3831 - 250

This Hand-Winding model from 1990 features a 46mm Gold-Plated case. Powered by the 3831 caliber with 17j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-6e8fe26f3594]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1990

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