Seiko Cal. 5661 - 571

The 5661-571 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5661 caliber with 23j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-cae8f8b8068b]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1967

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