Seiko Cal. 5663 - 403

The 5663-403 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5663 caliber with 17j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-ac56a9be9193]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1989

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