Seiko Cal. 3873 - 351

This Quartz model from 1970 features a 34mm Gold-Plated case. Powered by the 3873 caliber with 21j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-c87e12e695cb]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1970

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