Seiko Cal. 5637 - 874

The Seiko 5637-874 represents an important milestone in Seiko's 1989 lineup. With its 19mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-591f71b91c79]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1989

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