Seiko Cal. 6669 - 387

The Seiko 6669-387 represents an important milestone in Seiko's 1975 lineup. Powered by the 6669 caliber with 17j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-e3488fb8db34]

Also known as: Sea Horse, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1975

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