Seiko Cal. 5660 - 823

The 5660-823 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5660 caliber with 20j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-625bab8259e7]

Also known as: Rally, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1983

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