Seiko Cal. 5633 - 405

The 5633-405 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5633 caliber with 26j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-deff37f76687]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1979

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