Seiko Cal. 4551 - 398

The Seiko 4551-398 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-75aef565a5cb]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1971

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