Seiko Cal. 7175 - 731

The 7175-731 is a sought-after Solar piece from Seiko's golden era. Powered by the 7175 caliber with 24j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-fbd9455f78a1]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1984

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