Seiko Cal. 5663 - 872

The 5663-872 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5663 caliber with 21j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-91d1838d6590]

Also known as: Sumo, Panda

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1997

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