Seiko Cal. 7173 - 722

Released in 1977, the Cal. 7173 with design code 722 was part of Seiko's domestic market collection. With its 18mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-25ceaf2bac28]

Also known as: Helmet, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1977

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