Seiko Cal. 4565 - 643

The 4565-643 is a sought-after Solar piece from Seiko's golden era. Powered by the 4565 caliber with 36j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-9193ff84cca4]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1983

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