Seiko Cal. 6643 - 237

This Kinetic model from 1979 features a 39mm Titanium case. It features a White dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-d4dacec5b849]

Also known as: Tuna, Rally

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1979

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