Seiko Cal. 5665 - 388

The Seiko 5665-388 represents an important milestone in Seiko's 1965 lineup. With its 18mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-c3574d840a92]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1965

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