Seiko Cal. 6340 - 665

This Spring Drive model from 1977 features a 46mm Titanium case. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-c28ec34665f3]

Also known as: Helmet, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1977

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