Seiko Cal. 6668 - 607

The Seiko 6668-607 represents an important milestone in Seiko's 1980 lineup. Powered by the 6668 caliber with 29j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-f6948c7497e9]

Also known as: World Timer, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1980

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