Seiko Cal. 6688 - 718

The Seiko 6688-718 represents an important milestone in Seiko's 1982 lineup. Powered by the 6688 caliber with 35j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-0dcfdaad29b7]

Also known as: Helmet, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1982

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