Seiko Cal. 4551 - 175

The Seiko 4551-175 represents an important milestone in Seiko's 1978 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-07c7247c92fa]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1978

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