Seiko Cal. 7140 - 549

Seiko 7140-549

The 7140-549 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7140 caliber with 26j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-781baec0e0e9]

Also known as: Sumo, Shogun

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
42mm
Case Thickness
11.8mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Silver
Jewels
26j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1976

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seikata-wm-781baec0e0e9