Seiko Cal. 7143 - 674

The 7143-674 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7143 caliber with 22j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-2dbcd6c06e40]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1993

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