Seiko Cal. 6635 - 347

Seiko 6635-347

The 6635-347 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6635 caliber with 28j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-0e660e98813d]

Also known as: Rally

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
37mm
Case Thickness
14.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Burgundy
Jewels
28j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1979

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