Seiko Cal. 4547 - 561

The Seiko 4547-561 represents an important milestone in Seiko's 1978 lineup. With its 22mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-bf20c015bbb5]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1978

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