Seiko Cal. 6635 - 766

Released in 1965, the Cal. 6635 with design code 766 was part of Seiko's domestic market collection. With its 20mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-22bf6dfe5917]

Also known as: Panda, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1965

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