Seiko Cal. 5633 - 429

The 5633-429 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5633 caliber with 24j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-f01363a8d56e]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1975

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