Testing three common automatic watch movements to see which will wind the most efficiently. Instead of placing them on winders or trying to approximate winding by shaking, I wear all three watches on the same wrist for 45 minutes and let them run completely down to see which one did the best.
Watches featured in this video:
Seiko SRP704 on a Hadley Roma MS894
Citizen 'Grand Touring' NB0075-11F
Squale 1521 'TGV Lion-Shark'
On the wrist: Citizen Grand Touring NB0070-57E
