Seiko Cal. 5663 - 838

The 5663-838 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5663 caliber with 23j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-80ddce589206]

Also known as: Rally, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1984

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