Seiko Cal. 6635 - 287

Seiko 6635-287

The 6635-287 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6635 caliber with 18j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-a03ca799feba]

Also known as: Turtle, Arnie

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
8.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
White
Jewels
18j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1973

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