Seiko Cal. 5637 - 800

The 5637-800 is a sought-after Automatic piece from Seiko's golden era. With its 18mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-c8b5f1f2d317]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1988

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