Seiko Cal. 6337 - 547

This Spring Drive model from 1966 features a 35mm PVD Black case. With its 18mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-81195eea2328]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1966

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