Seiko Cal. 5284 - 929

This Hand-Winding model from 1970 features a 40mm Two-Tone case. With its 19mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-0ed1cb7dc099]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1970

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