Seiko Cal. 0720 - 447

The 0720-447 is a sought-after Solar piece from Seiko's golden era. Powered by the 0720 caliber with 20j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-f89267c59aad]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1989

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