Seiko Cal. 6337 - 597

The Seiko 6337-597 represents an important milestone in Seiko's 1966 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-9a6384c9a093]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1966

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