Seiko Cal. 6699 - 420

The Seiko 6699-420 represents an important milestone in Seiko's 1969 lineup. Powered by the 6699 caliber with 24j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-c9c1ecf1bf3a]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1969

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