Seiko Cal. 6635 - 185

Seiko 6635-185

Released in 1980, the Cal. 6635 with design code 185 was part of Seiko's domestic market collection. Powered by the 6635 caliber with 35j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-f01f366c9f4c]

Also known as: Turtle, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
41mm
Case Thickness
9.1mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
140m
Dial Color
Black
Jewels
35j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1980

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