Seiko Cal. 5641 - 520

The Seiko 5641-520 represents an important milestone in Seiko's 1975 lineup. With its 22mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-cbbfe62adbee]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1975

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