im lucky enough to have the white dial 3681 Speedy. All the sharp edge started with a bass player living in Italy, pitching a *****, about sharp edges.
I own, and he owns a Rolex date sub, 116610lv….super sharp lug ends, and body.
Neither ever come to play , when you wear the watch. The underside of both are unpolished lugs, fresh off the presses. Magnificent horological significance, the 3861 movement. That guy was exhausting on how his 861, no COSC, no METAS, no nothing ,
Far better.His…

3861 moon watch, sharp edges BS