Seiko Cal. 6637 - 985

This Spring Drive model from 1966 features a 34mm Gold-Plated case. With its 19mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-6f098d5ecc36]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1966

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