Seiko Cal. 5630 - 993

The Seiko 5630-993 represents an important milestone in Seiko's 1966 lineup. With its 22mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-de92d3c9a811]

Also known as: Sumo, Goldfeather

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1966

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