Seiko Cal. 6635 - 720

Seiko 6635-720

The 6635-720 is a sought-after Solar piece from Seiko's golden era. Powered by the 6635 caliber with 25j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-9dbad1b1a21a]

Also known as: Goldfeather

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
9.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1995

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