Seiko Cal. 6635 - 418

Seiko 6635-418

Released in 1991, the Cal. 6635 with design code 418 was part of Seiko's domestic market collection. Powered by the 6635 caliber with 23j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-b27f84be7833]

Also known as: Samurai, UFO

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
36mm
Case Thickness
10.8mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Silver
Jewels
23j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1991

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