Seiko Cal. 6688 - 298

This Spring Drive model from 1968 features a 37mm Titanium case. It features a Champagne dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-d246a51a2975]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1968

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