Seiko Cal. 6687 - 930

The Seiko 6687-930 represents an important milestone in Seiko's 1966 lineup. Powered by the 6687 caliber with 33j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-ad8f789a0e48]

Also known as: Flighty

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1966

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