Seiko Cal. 7173 - 539

This Spring Drive model from 1966 features a 46mm PVD Black case. Powered by the 7173 caliber with 32j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-ab4de21a370e]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1966

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