Seiko Cal. 6635 - 782

The 6635-782 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-8ef5841cc2c5]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1969

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