Seiko Cal. 6663 - 916

Seiko 6663-916

The 6663-916 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6663 caliber with 21j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-e46fcb9ba7d4]

Also known as: Rally

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
10.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
150m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1981

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