Seiko Cal. 5688 - 901

This Kinetic model from 1977 features a 39mm Two-Tone case. Powered by the 5688 caliber with 35j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-7d2646b940b5]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1977

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