Seiko Cal. 4561 - 750

The Seiko 4561-750 represents an important milestone in Seiko's 1978 lineup. With its 21mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-854e5a06714c]

Also known as: Emperor, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1978

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