Seiko Cal. 6337 - 422

The Seiko 6337-422 represents an important milestone in Seiko's 1967 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-3d96b4f26dd3]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1967

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