Seiko Cal. 6635 - 576

The 6635-576 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-91b56a0f0d48]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1978

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