Seiko Cal. 7173 - 677

The 7173-677 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7173 caliber with 35j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-79be79bd6a1a]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1982

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