Seiko Cal. 6642 - 728

This Kinetic model from 1968 features a 35mm Two-Tone case. With its 20mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-6d0749a8483d]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1968

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