Seiko Cal. 6636 - 805

Seiko 6636-805

The 6636-805 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6636 caliber with 28j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-2eb081909cc6]

Also known as: Samurai

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
9.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
90m
Dial Color
Burgundy
Jewels
28j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1974

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