Seiko Cal. 5621 - 927

The 5621-927 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5621 caliber with 17j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-d14d306d343c]

Also known as: UFO, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1975

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