Seiko Cal. 7173 - 402

The 7173-402 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7173 caliber with 23j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-af7b47db3459]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1970

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