Seiko Cal. 4522 - 636

The 4522-636 is a sought-after Quartz piece from Seiko's golden era. With its 20mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-7d201b9e6777]

Also known as: Sumo, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1981

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