Seiko Cal. 6337 - 742

The Seiko 6337-742 represents an important milestone in Seiko's 1965 lineup. It features a Black dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-a2c5fb76f8bb]

Also known as: Helmet, UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1965

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