Seiko Cal. 5637 - 876

The Seiko 5637-876 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-15113771957f]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1971

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