Seiko Cal. 5655 - 663

The 5655-663 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5655 caliber with 20j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-92c70be3cd46]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1984

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