Seiko Cal. 7171 - 748

The 7171-748 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-1c75a44da0ca]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1987

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