Seiko Cal. 5661 - 727

The 5661-727 is a sought-after Kinetic piece from Seiko's golden era. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-dd85913848cb]

Also known as: UFO, Navigator

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1982

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