Seiko Cal. 3840 - 739

This Kinetic model from 1992 features a 37mm Stainless Steel case. Powered by the 3840 caliber with 26j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-4b9328bddfc5]

Also known as: Tuna, UFO

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1992

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