Seiko Cal. 5688 - 203

The Seiko 5688-203 represents an important milestone in Seiko's 1975 lineup. With its 22mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-8c7fae9a6a77]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1975

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