Seiko Cal. 6635 - 901

Seiko 6635-901

The 6635-901 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6635 caliber with 18j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-d077f7140cc4]

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
34mm
Case Thickness
14.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
White
Jewels
18j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1972

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