Seiko Cal. 3859 - 931

This Kinetic model from 1987 features a 37mm Hardlex-Coated Steel case. Powered by the 3859 caliber with 22j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-6a9ba9a0cbff]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1987

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