Seiko Cal. 5635 - 143

The 5635-143 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5635 caliber with 27j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-85db8ebe5eff]

Also known as: Panda, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1968

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