Seiko Cal. 6630 - 790

Released in 1987, the Cal. 6630 with design code 790 was part of Seiko's domestic market collection. With its 22mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-5ebf136eeef3]

Also known as: Tuna, Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1987

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