Seiko Cal. 6388 - 165

This Spring Drive model from 1968 features a 40mm Titanium case. With its 21mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-67c8d1b03a29]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1968

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