Seiko Cal. 4493 - 663

The 4493-663 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4493 caliber with 26j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-62bd22af627a]

Also known as: Navigator, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1984

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