Seiko Cal. 6643 - 778

Released in 1984, the Cal. 6643 with design code 778 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-292a3af74219]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1984

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