Seiko Cal. 7143 - 149

The 7143-149 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7143 caliber with 19j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-427b61594476]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1999

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