Seiko Cal. 5271 - 284

This Automatic model from 1980 features a 45mm Stainless Steel case. It features a Cream dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-6b5aeff42562]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1980

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