Patent formula of watch hairspring

1. Greenwich and water ghosts are obviously different in appearance. The shell of water ghosts can be waterproof, and water ghosts can be used for diving. Greenwich can display the time of two places at the same time.

2. In sports, Greenwich is better.

3. Rolex watches Greenwich and Water Ghost are 40mm in diameter, but there are obvious differences in appearance.

4. The water ghost uses a 60-minute time circle and can only rotate counterclockwise.

Greenwich uses a 24-hour outer circle and rotates in two directions.

6. In order to accurately display the time in the third time zone, it has only 24 positions that can be rotated and can only be moved from one position to the next.

7. Greenwich dial also has a green 24-hour hand to show the second time zone.

8. Careful friends can find that the clockwise middle part of the Water Ghost series watches is smaller than the minute hand, and the type is the usual thickness of Greenwich II clockwise and minute hands in the middle.

9. They are all made of 904L stainless steel.

10. The water ghost is equipped with a Rolex slide lock button. Even wearing a 3 mm thick diving suit, divers can adjust the straps for comfort.

1 1. This unique design enables the wearer to extend the strap by about 20 mm per inch without using any tools.

12. Greenwich adopts Rolex patented telescopic chain extension system, which can simply fold the strap and extend it by 5 mm, making it more comfortable to wear.

13. Functionally, we can also see that the water ghost only displays the date, while 1 167 10LN has a dual time zone display besides the date display.

14. However, the Water Ghost has the function of quickly adjusting the date, which is not available in Greenwich.

15. Water Ghost is 300 meters waterproof, with a 60-minute timing circle, which can make a total countdown.

16. Greenwich is only 100 meters waterproof.

17. The Water Ghost has a Rolex 3 135 movement, and Greenwich has a Rolex 3 186 movement.

18.3 135 is an upgraded version of Rolex modern basic movement 3 130.

19. And 3 186 adds GMT display function on the basis of 3 135.

20.3 135 is a single li3 1 drilling movement, and 3 186 is a single li+GMT movement.

2 1. Both movements are made of Rolex blue niobium hairspring, which has excellent diamagnetism.