Seiko Cal. 3859 - 974

This Quartz model from 1980 features a 38mm Titanium case. Powered by the 3859 caliber with 23j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-8cff8dff7c10]

Also known as: Sumo, Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1980

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