Seiko Cal. 6358 - 143

The 6358-143 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6358 caliber with 20j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-f842431a078b]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1973

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