Seiko Cal. 6669 - 840

The Seiko 6669-840 represents an important milestone in Seiko's 1967 lineup. Powered by the 6669 caliber with 29j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-e75f49c9d154]

Also known as: Sea Horse, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1967

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