Seiko Cal. 4551 - 663

The Seiko 4551-663 represents an important milestone in Seiko's 1979 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-1b72a41d60aa]

Also known as: UFO, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1979

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