Seiko Cal. 6636 - 965

The 6636-965 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-9d18ab9fb8ce]

Also known as: Samurai, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1966

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