Seiko Cal. 6620 - 871

The 6620-871 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6620 caliber with 29j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-47b58cf922b8]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1966

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