Seiko Cal. 5663 - 538

The 5663-538 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5663 caliber with 22j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-626bd4792e13]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1991

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