Seiko Cal. 5657 - 830

This Kinetic model from 1969 features a 39mm Two-Tone case. Powered by the 5657 caliber with 18j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-38839fe97b13]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1969

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