Seiko Cal. 5663 - 813

The 5663-813 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-ba02a775c8a3]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1993

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