Seiko Cal. 5284 - 261

The Seiko 5284-261 represents an important milestone in Seiko's 1975 lineup. With its 19mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-fe5acf47883e]

Also known as: Turtle, Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1975

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