Seiko Cal. 6687 - 387

The Seiko 6687-387 represents an important milestone in Seiko's 1970 lineup. With its 19mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-2d4883126d89]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1970

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