Seiko Cal. 6173 - 540

Seiko 6173-540

The 6173-540 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6173 caliber with 25j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-1df23f7262b6]

Also known as: Panda, Bullhead

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
41mm
Case Thickness
15.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
50m
Dial Color
Navy
Jewels
25j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1966

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