Seiko Cal. 5693 - 181

The 5693-181 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-51b7b7fc1b1c]

Also known as: Sumo, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1971

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