Seiko Cal. 5284 - 664

The Seiko 5284-664 represents an important milestone in Seiko's 1966 lineup. It features a Cream dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-e1251b752927]

Also known as: Sumo, Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1966

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