Seiko Cal. 5663 - 121

The 5663-121 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-2149f0f1cfb0]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1978

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