Seiko Cal. 3813 - 244

This Kinetic model from 1971 features a 40mm Two-Tone case. Powered by the 3813 caliber with 32j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-e9fe2e80d33a]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1971

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