Seiko Cal. 6634 - 907

This Spring Drive model from 1966 features a 36mm Gold-Plated case. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-2b10ba4a6390]

Also known as: Panda, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1966

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