Seiko Cal. 6633 - 708

The 6633-708 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-c74253e0ed16]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1978

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