Seiko Cal. 3831 - 204

This Kinetic model from 1978 features a 38mm Hardlex-Coated Steel case. Powered by the 3831 caliber with 25j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-b2aa4cb9688c]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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