Seiko Cal. 3831 - 640

This Kinetic model from 1991 features a 43mm Hardlex-Coated Steel case. It features a Cream dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-b626a2d9d7f9]

Also known as: Flighty

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1991

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