Seiko Cal. 4551 - 632

The Seiko 4551-632 represents an important milestone in Seiko's 1967 lineup. With its 21mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-ebd3fed5f887]

Also known as: Monster, Pogue

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1967

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