Seiko Cal. 7143 - 121

This Spring Drive model from 1990 features a 37mm Titanium case. Powered by the 7143 caliber with 18j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-b1bdf5471b43]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1990

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