Seiko Cal. 4551 - 310

The Seiko 4551-310 represents an important milestone in Seiko's 1986 lineup. With its 20mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-073eaed69fb7]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1986

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