Seiko Cal. 6628 - 788

This Spring Drive model from 1973 features a 39mm Gold-Plated case. Powered by the 6628 caliber with 26j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-109529da2012]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1973

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