Seiko Cal. 6690 - 907

The 6690-907 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6690 caliber with 19j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-a33fb42cedcc]

Also known as: Rally, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1967

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