Seiko Cal. 4561 - 313

The 4561-313 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-cd2996fa30fd]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1970

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