Reference:bubbleback: Difference between revisions
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Add ref. 2081 evidence to Pre-Perpetual Oyster index |
Clarify ref. 2081 movement measurements |
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| [[Reference:1925|1925]] || Christie’s dates examples circa 1925, 1928 and to the 1930s; Antiquorum: 1920s; production span unknown || Prima (9′′′/15j and six-position description) and Ultra Prima (15j); caliber unconfirmed || Cushion, faceted tonneau and octagonal; 28 × 28 to 32 × 31mm; gold, silver, nickel || Several lot-specific dials; Bonhams calls 260554 a case number, while an early Oyster caseback shows 260554/1925 as a patent marking | | [[Reference:1925|1925]] || Christie’s dates examples circa 1925, 1928 and to the 1930s; Antiquorum: 1920s; production span unknown || Prima (9′′′/15j and six-position description) and Ultra Prima (15j); caliber unconfirmed || Cushion, faceted tonneau and octagonal; 28 × 28 to 32 × 31mm; gold, silver, nickel || Several lot-specific dials; Bonhams calls 260554 a case number, while an early Oyster caseback shows 260554/1925 as a patent marking | ||
| [[Reference:2081|2081]] || Auction dates range from the 1920s to 1948; span unproved || | | [[Reference:2081|2081]] || Auction dates range from the 1920s to 1948; span unproved || 10-ligne/15-jewel Prima and 10½-ligne/17-jewel lots; one 1947 lot names Cal. 700, 10½-ligne/15-jewel Extra-Prima || Cushion, 31–32mm; stainless steel, 9K gold and chrome-plated examples || “Standard Oyster,” “Oyster Imperial” and “Oyster Chronometer” catalogue labels; Antiquorum’s steel-only note conflicts with gold and chrome-plated lots | ||
| [[Reference:1069|1069]] || Antiquorum dates lots to 1920s; Christie's circa 1930; span unproved || Manual; 11-ligne/15j movement reported once; other descriptions differ || Cushion; catalogued 30–32mm, steel and silver-plated examples || Solar Aqua/Anti-Magnetic dial; caseback 21836 has a conflicting 1940s seller date | | [[Reference:1069|1069]] || Antiquorum dates lots to 1920s; Christie's circa 1930; span unproved || Manual; 11-ligne/15j movement reported once; other descriptions differ || Cushion; catalogued 30–32mm, steel and silver-plated examples || Solar Aqua/Anti-Magnetic dial; caseback 21836 has a conflicting 1940s seller date | ||
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