Seiko Cal. 5663 - 284

Released in 1983, the Cal. 5663 with design code 284 was part of Seiko's domestic market collection. With its 22mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-4db40bad24cf]

Also known as: Sumo, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1983

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