Seamaster 300 Master Co-Axial Chronometer 9ct Bronze Gold  Men’s Watch

  • 41mm
  • Bronze Dial


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Ring Size Circumference (mm)
I 48.0
J 48.7
K 50.0
L 51.2
M 52.5
N 53.8
O 55.1
P 56.3
Q 57.6
R 58.9
S 60.2
T 61.4
U 62.7
V 64.0
W 65.3
X 66.6
Y 67.8
Z 68.5

Please note that this is only a guide and will not take into account the style of ring. For example, if you are choosing a ring with a deep band width, you may need a larger size.

View the ring size guide

About This Piece

Whether you’re a Seamaster devotee or just love a classic looking watch, this OMEGA Seamaster 300 Master Co-Axial Chronometer is a striking addition to your collection. Plus if sea escapades are your thing, you’ll be all set with the unidirectional rotating bezel for safe timekeeping in open waters. Oh, and we can’t leave without mentioning the 9ct bronze gold and matching brown dial and strap combination; it really is a sight for sore eyes.

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Editor's Notes

A legend of oceanic proportions, the OMEGA Seamaster 300 of today is leaps and bounds from the original. Although it may have been born in 1957, the Seamaster 300 has seen a number of enhancements over the years. And today? This clean, crisp and Master certified collection still maintains its vintage charm.

A sapphire glass open caseback is one thing, but when you can see a master movement at work that’s something else. Look through the glass to check out the beating heart of this Seamaster 300, the OMEGA Co-Axial Master Chronometer Calibre 8912.