I love my ‘69 Chocolate, it’s perhaps my favorite Speedy.
Here it is next to my ‘71, the subtle difference is noticeable:
Exposed to sunlight, it comes to life:
Here it is next to a 90’s Speedy and - ‘66
Lastly, just for fun, next to a ‘73 MK2 Rolex GMT
All Brown Dials appear different in different light conditions, and all are slightly different from another.