Seiko Cal. 6687 - 366

The Seiko 6687-366 represents an important milestone in Seiko's 1974 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-63fa17d8c146]

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1974

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