Seiko Cal. 4551 - 547

The Seiko 4551-547 represents an important milestone in Seiko's 1974 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-65fbddf22c1d]

Also known as: UFO, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1974

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