Seiko Cal. 5691 - 375

The Seiko 5691-375 represents an important milestone in Seiko's 1977 lineup. With its 19mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-1e6db7631a4d]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1977

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