Seiko Cal. 7173 - 656

Seiko 7173-656

The 7173-656 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7173 caliber with 33j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-007ad1f366bc]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
41mm
Case Thickness
13.1mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1996

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