Seiko Cal. 7143 - 307

The 7143-307 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7143 caliber with 31j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-cd6745dd2592]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1989

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