Seiko Cal. 6688 - 397

This Kinetic model from 1978 features a 42mm Two-Tone case. Powered by the 6688 caliber with 28j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-c06295201615]

Also known as: Monster, World Timer

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1978

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