Reference:6611: Difference between revisions
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==Movement notes== | ==Movement notes== | ||
[https://www.phillips.com/detail/rolex/CH080115/50 Phillips catalogues its 1956 yellow-gold 6611 as caliber 1055] and its [https://www.phillips.com/detail/rolex/CH080515/154 1958 white-gold 6611B as 1055B]. Antiquorum describes the yellow-gold Serpico y Laino 6611B as caliber 1055. Specialist histories treat the 1055B as the later version associated with the 6611 generation | [https://www.phillips.com/detail/rolex/CH080115/50 Phillips catalogues its 1956 yellow-gold 6611 as caliber 1055] and its [https://www.phillips.com/detail/rolex/CH080515/154 1958 white-gold 6611B as 1055B]. Antiquorum describes the yellow-gold Serpico y Laino 6611B as caliber 1055. Specialist histories treat the 1055B as the later version associated with the 6611 generation. Auction houses apply the suffix inconsistently. | ||
The 1055 generation is described in [https://monochrome-watches.com/history-rolex-day-date-1956-present-president-watch-in-depth-review/ specialist watch histories] as an automatic chronometer movement with a free-sprung Microstella balance; some accounts also specify a Breguet overcoil and an instantaneous day-and-date change. Those features describe the movement family in specialist literature. The cited sources leave the 6611’s production span and its relationship to the 6510/6511 open. | The 1055 generation is described in [https://monochrome-watches.com/history-rolex-day-date-1956-present-president-watch-in-depth-review/ specialist watch histories] as an automatic chronometer movement with a free-sprung Microstella balance; some accounts also specify a Breguet overcoil and an instantaneous day-and-date change. Those features describe the movement family in specialist literature. The cited sources leave the 6611’s production span and its relationship to the 6510/6511 open. | ||
Antiquorum’s steel school-watch catalogues list calibers 1556 (2002) and 1066 (2013). Phillips’s 1055/1055B records describe the gold watches; the two steel-watch caliber labels remain unresolved. | Antiquorum’s steel school-watch catalogues list calibers 1556 (2002) and 1066 (2013). Phillips’s 1055/1055B records describe the gold watches; the two steel-watch caliber labels remain unresolved. A movement inspection or factory record would be needed to identify either steel watch more firmly. | ||
==Dial map== | ==Dial map== | ||