Seiko Cal. 7030 - 173

Seiko 7030-173

The 7030-173 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7030 caliber with 35j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-3c85d804e391]

Also known as: Sumo, Bullhead

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
13.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Navy
Jewels
35j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1980

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seikata-wm-3c85d804e391