Seiko Cal. 6671 - 143

The 6671-143 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6671 caliber with 17j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-cea1eb4e89b6]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1971

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