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Prices come from the reviews in their original currency and market. Article dates are shown below.| Specification | Singer Reimagined1970 DualTrack Cobalt Blue | LonginesUltra-Chron Carbon |
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| Reference | SR811-3 | L2.839.4.52.2 |
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| Winding | Manual winding | Automatic winding |
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| Calibre | ST5001 Dual Time SLIM | L836.6 |
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| Diameter | 43 mm according to SR811-3 card* | 43 mm |
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| Size / thickness | 43 × 12.6 mm* | 43 mm |
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| Power reserve | At least 144 hours | 52 hours |
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| Case material | Not stated in the review | Not stated in the review |
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| Functions | Not stated in the review | Not stated in the review |
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| Crystal | Not stated in the review | Not stated in the review |
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| Water resistance | 100 m | Not stated in the review |
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| Price and market | Not stated in the review | Not stated in the review |
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Singer Reimagined · 1970 DualTrack Cobalt Blue
Strengths
A strong choice for a collector seeking a second zone with its own character. The attraction is the display and four-barrel mechanics.
Things to consider
Official materials disagree on diameter: 43 mm on the SR811-3 card versus 40 mm in the press release. Confirm sizing before ordering.
Longines · Ultra-Chron Carbon
Strengths
An interesting route to high-frequency mechanics and a technical case at a moderate budget within this selection.
Things to consider
43 mm warrants a fitting; US$5,550 is a US price, not the final cost in Uzbekistan.
