Lorca MODEL No.2 ChronographvsOmega Speedmaster Calibre 321 Chronograph 39 7mm

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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

MODEL No.2 Chronograph

Speedmaster Calibre 321 Chronograph 39 7mm
Diameter
37mm
39.7mm
Lug-to-Lug
46mm
lowest
48mm
Thickness
11.6mm
lowest
13.7mm
Water Resistance
510m
highest
50m
Power Reserve
40h
55h
highest
MSRP
$2,750
lowest
$17,300
Movement
Sellita SW510
Omega 321
Case
7 specsCrystal & Dial
3 specsMovement
6 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Lorca MODEL No.2 CHRONOGRAPH is praised for its 37mm case size, which owners report wears well even on smaller wrists. Reviewers note its quality bracelet and clasp, contributing to its suitability as a daily wearer with a blend of vintage and modern design. One reviewer highlights a unique grooved bi-directional bezel as an atypical but potentially divisive feature. On balance, owners and reviewers view the Lorca MODEL No.2 CHRONOGRAPH positively due to its wearability and well-executed design elements at its price point.
The Lorca Model No.2 Chronograph features a notable guilloché bezel that adds vintage flair to its design. The watch is powered by a Swiss Sellita SW510M manual movement, offering 63 hours of power reserve. A potential drawback is the relatively small 37mm size.
Owners and reviewers widely praise the Omega Speedmaster Calibre 321 Chronograph 39.7mm for its historical fidelity to the 105.003, its superior finishing, and the tactile feel of its pushers and bracelet, with some considering it the ultimate Speedmaster. The movement's copper-plated finish and column-wheel chronograph mechanism are highlighted as distinguishing features. However, its high price, limited availability, and lack of hacking, anti-magnetism, and crown guards are noted drawbacks. Accuracy varies, with one owner reporting +20 seconds per day out of the box, while others cite better performance. On balance, owners and reviewers rate the Omega Speedmaster Calibre 321 Chronograph 39.7mm highly for its blend of vintage aesthetic, superb movement finishing, and comfortable wearability, justifying its premium price for enthusiasts.
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