Seiko Cal. 3856 - 909

This Quartz model from 1976 features a 45mm Stainless Steel case. Powered by the 3856 caliber with 29j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-146334b22ae0]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1976

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