Reference:pre-daytona-chronographs: Difference between revisions
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Add ref. 3462 to early Oyster chronographs |
Add documented ref. 2057 to chronograph family guide |
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| [[Reference:2022|2022]] || Catalogue dates mostly in the 1930s; one Bonhams example circa 1947; factory span unconfirmed || 32mm cushion case; silver, steel and yellow gold examples || Manual 17-jewel column-wheel description on one lot; VZ 23 naming does not establish fitment || Crown-operated monopusher; Bonhams documents fixed wire lugs on one gold example | | [[Reference:2022|2022]] || Catalogue dates mostly in the 1930s; one Bonhams example circa 1947; factory span unconfirmed || 32mm cushion case; silver, steel and yellow gold examples || Manual 17-jewel column-wheel description on one lot; VZ 23 naming does not establish fitment || Crown-operated monopusher; Bonhams documents fixed wire lugs on one gold example | ||
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| [[Reference:2057|2057]] || Phillips dates case 12'271 c.1938; 2026 transcription dates same case c.1927 || 32mm, 18K yellow-gold cushion case || Manual; 2026 catalogue attributes a 13-ligne Valjoux base, exact caliber unconfirmed || Two-register crown-pusher chronograph; French 30-pulsation dial | |||
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| [[Reference:2226|2226]] || Individual catalogue estimates c.1920–c.1940; production span unverified || Round, open-face steel and gold cases, 47–48.2mm || Manual 17-line, 17-jewel movements described on several examples; caliber unconfirmed || Two-register single-button chronograph; catalogues label examples wristwatch or pocket watch | | [[Reference:2226|2226]] || Individual catalogue estimates c.1920–c.1940; production span unverified || Round, open-face steel and gold cases, 47–48.2mm || Manual 17-line, 17-jewel movements described on several examples; caliber unconfirmed || Two-register single-button chronograph; catalogues label examples wristwatch or pocket watch | ||