Seiko Cal. 6171 - 634

Released in 1978, the Cal. 6171 with design code 634 was part of Seiko's domestic market collection. With its 19mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-7ed1179ee59a]

Also known as: Helmet, Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1978

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