Seiko Cal. 6690 - 648

The 6690-648 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6690 caliber with 23j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-dcfdb0264e68]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1983

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