Seiko Cal. 4511 - 901

The 4511-901 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-8b3e83d57f87]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1989

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