Seiko Cal. 5611 - 521

This Spring Drive model from 1997 features a 36mm Stainless Steel case. With its 20mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-7aaa075ced6e]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1997

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