Reference:5510: Difference between revisions

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Fact-check follow-up: clarify caliber 1530 jewel count is specific to cited lots, not a fixed spec (research found 17/25/26 range documented across sibling refs)
Layout: convert stacked images to a packed gallery -- each had its own paragraph but combined image height still exceeded combined text height, leaving dead whitespace beside the stack (runbook Sec 3)
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== Case, bezel, crystal, and crown ==
== Case, bezel, crystal, and crown ==
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File:Ref 5510 wrist-detail.webp|The unguarded 8mm crown and gilt bezel insert, worn on the wrist
File:Ref 5510 caseback.webp|Screw-down Oyster caseback, smooth exterior with no date stamp — Phillips New York, 2021, lot 27
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The 5510 case measures approximately 38mm without crown — slightly larger than the 37mm small-crown 5508 it ran alongside. Bonhams 15422/115 catalog reads "8mm Brevette crown (larger than the standard 6mm), which was launched in 1958." Phillips Geneva XX 2024 lot 220 describes the "thicker case and an 8mm crown" as defining features. The 8mm "Brevet" signed crown is identical to the 6538 and distinctly larger than the 7mm crown introduced on the 5512 (Monochrome 55XX/1680 history). The 5510 carries no crown guards — its single sharpest visual differentiator from every Submariner that follows.
The 5510 case measures approximately 38mm without crown — slightly larger than the 37mm small-crown 5508 it ran alongside. Bonhams 15422/115 catalog reads "8mm Brevette crown (larger than the standard 6mm), which was launched in 1958." Phillips Geneva XX 2024 lot 220 describes the "thicker case and an 8mm crown" as defining features. The 8mm "Brevet" signed crown is identical to the 6538 and distinctly larger than the 7mm crown introduced on the 5512 (Monochrome 55XX/1680 history). The 5510 carries no crown guards — its single sharpest visual differentiator from every Submariner that follows.
[[File:Ref 5510 wrist-detail.webp|thumb|right|250px|The unguarded 8mm crown and gilt bezel insert, worn on the wrist]]


The bezel is the friction-rotating dive type with a gilt-printed insert: minute graduations 0–60 with a luminous triangle at 12. The crystal is the domed acrylic Tropic 17 (29.50mm), the same crystal family the 5510 shares with the 6200, 6538, and the Tudor 7924; the Tropic 19 used on the 5512 / 5513 / 5514 / 5517 appears on 5510s only as a later service replacement. The case profile reads slightly thicker than the 5508 to accommodate the larger crown tube and the deeper 200m rating.
The bezel is the friction-rotating dive type with a gilt-printed insert: minute graduations 0–60 with a luminous triangle at 12. The crystal is the domed acrylic Tropic 17 (29.50mm), the same crystal family the 5510 shares with the 6200, 6538, and the Tudor 7924; the Tropic 19 used on the 5512 / 5513 / 5514 / 5517 appears on 5510s only as a later service replacement. The case profile reads slightly thicker than the 5508 to accommodate the larger crown tube and the deeper 200m rating.


The caseback is screw-down threaded Oyster construction, identical to the 6538 architecture. The exterior wears smooth without a date stamp; the interior carries the reference, the case number, and a Roman-quarter date stamp in the format "Q.YY" (Bonhams 15422/115 cites "inner case dated 1.1958" on an early-1958 example; Bonhams 16805/140 cites "screw on back stamped inside 1.1958" on the Royal Navy lot, case 362,252).
The caseback is screw-down threaded Oyster construction, identical to the 6538 architecture. The exterior wears smooth without a date stamp; the interior carries the reference, the case number, and a Roman-quarter date stamp in the format "Q.YY" (Bonhams 15422/115 cites "inner case dated 1.1958" on an early-1958 example; Bonhams 16805/140 cites "screw on back stamped inside 1.1958" on the Royal Navy lot, case 362,252).
[[File:Ref 5510 caseback.webp|thumb|right|250px|Screw-down Oyster caseback, smooth exterior with no date stamp — Phillips New York, 2021, lot 27]]


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