https://www.ablogtowatch.com/omega-seamaster-professional-diver-300m-42mm-watch/

  欧米茄宣布推出更新的Seamaster Diver 300，采用陶瓷表圈，重新设计的陶瓷表盘，全新42毫米表壳尺寸以及欧米茄Master Chronometer CO-Axial 8800机芯。

SPECIFICATIONS

Brand: Omega
Model: Seamaster Diver 300m
Dimensions: 42mm wide
 Case Material: Stainless Steel or Stainless Steel and Gold
Crystal/Lens: Sapphire
Movement: Omega Master Chronometer 8800
Frequency: 25,200bph 
Power Reserve: 55 hours
Strap/Bracelet: Metal bracelet to match the case or integrated rubber strap in blue or black

自家机芯噢