Seiko Cal. 5637 - 990

The 5637-990 is a sought-after Quartz piece from Seiko's golden era. With its 19mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-49b2e66cb33e]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

17j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1973

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