Seiko Cal. 7143 - 173

The 7143-173 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7143 caliber with 36j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-41bcdeda67df]

Also known as: Helmet, World Timer

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1979

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