Seiko Cal. 6636 - 495

Seiko 6636-495

The Seiko 6636-495 represents an important milestone in Seiko's 1978 lineup. Powered by the 6636 caliber with 30j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-c2f3fba78a75]

Also known as: Shogun, UFO

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
12.5mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1978

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