Seiko Cal. 7143 - 256

This Spring Drive model from 1996 features a 40mm Stainless Steel case. It features a Black dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-e4be1d319e9a]

Also known as: Sumo, Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1996

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