Seiko Cal. 5661 - 582

The 5661-582 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-b1dd98fe34cf]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1969

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