Seiko Cal. 6337 - 399

The Seiko 6337-399 represents an important milestone in Seiko's 1974 lineup. It features a Green dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-340df99f4643]

Also known as: Bullhead, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1974

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