Seiko Cal. 7173 - 939

The 7173-939 is a sought-after Solar piece from Seiko's golden era. Powered by the 7173 caliber with 36j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-e978fa09e884]

Also known as: Bullhead, Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1988

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