Seiko Cal. 7143 - 163

The 7143-163 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7143 caliber with 25j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-6c28eed3ad3c]

Also known as: Helmet, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1974

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