Seiko Cal. 7143 - 705

This Spring Drive model from 1967 features a 35mm Titanium case. Powered by the 7143 caliber with 24j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-b18d153575f6]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1967

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