Seiko Cal. 6312 - 658

This Spring Drive model from 1990 features a 41mm Titanium case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-8855ef1875fc]

Also known as: Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1990

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