Seiko Cal. 7143 - 673

The Seiko 7143-673 represents an important milestone in Seiko's 1975 lineup. Powered by the 7143 caliber with 18j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-d4ba4bac2ac4]

Also known as: World Timer, Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1975

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