Seiko Cal. 6635 - 689

The 6635-689 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6635 caliber with 36j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-b8f0e4472ef1]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1966

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