Seiko Cal. 6688 - 412

This Spring Drive model from 1965 features a 38mm PVD Black case. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-0935d0fe4334]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1965

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