Seiko Cal. 5664 - 632

The 5664-632 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5664 caliber with 26j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-ae6a473d6dba]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1996

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