Seiko Cal. 6635 - 783

Released in 1978, the Cal. 6635 with design code 783 was part of Seiko's domestic market collection. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-1afb9ee46347]

Also known as: Samurai, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1978

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