Seiko Cal. 5663 - 183

The 5663-183 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5663 caliber with 35j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-4e8a1f07dc73]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1983

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