Seiko Cal. 5663 - 266

The 5663-266 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-ebfde277c1d7]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1978

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