Seiko Cal. 3831 - 757

This Kinetic model from 1967 features a 45mm Hardlex-Coated Steel case. Powered by the 3831 caliber with 22j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-57503678983c]

Also known as: UFO, Silverwave

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1967

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