Seiko Cal. 7143 - 921

The 7143-921 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7143 caliber with 32j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-5f9b34a0e9c5]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1996

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