Seiko Cal. 0788 - 688

The Seiko 0788-688 represents an important milestone in Seiko's 1990 lineup. Powered by the 0788 caliber with 31j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-414801312d22]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1990

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