Seiko Cal. 5688 - 909

This Kinetic model from 1971 features a 39mm PVD Black case. Powered by the 5688 caliber with 31j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-b638ac9c2962]

Also known as: Bullhead, Crown

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1971

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