Seiko Cal. 7143 - 920

The 7143-920 is a sought-after Solar piece from Seiko's golden era. Powered by the 7143 caliber with 27j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-c390c22155e3]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1967

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