Seiko Cal. 6634 - 826

Released in 1983, the Cal. 6634 with design code 826 was part of Seiko's domestic market collection. With its 18mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-8f4007dd5cbb]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1983

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