Seiko Cal. 5634 - 909

This Automatic model from 1986 features a 45mm Stainless Steel case. With its 19mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-10ea67a40e55]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1986

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