Seiko Cal. 6688 - 296

The Seiko 6688-296 represents an important milestone in Seiko's 1987 lineup. Powered by the 6688 caliber with 26j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-671f5d8b1118]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1987

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