Seiko Cal. 6653 - 661

Seiko 6653-661

The 6653-661 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6653 caliber with 18j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-1c2df0c219f7]

Also known as: UFO, Navigator

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
44mm
Case Thickness
13.8mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Black
Jewels
18j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1972

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