Seiko Cal. 5651 - 520

The 5651-520 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5651 caliber with 26j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-fe16a4b34c9e]

Also known as: World Timer, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1971

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