Seiko Cal. 4560 - 441

Released in 1971, the Cal. 4560 with design code 441 was part of Seiko's domestic market collection. With its 19mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-1618be9bc6c1]

Also known as: Sumo, Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1971

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