Seiko Cal. 3813 - 239

This Kinetic model from 1967 features a 34mm Hardlex-Coated Steel case. Powered by the 3813 caliber with 24j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-c0385f5ea19b]

Also known as: Sumo, Bellmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1967

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