Omega Speedmaster Calibre 321 Chronograph 42mmvsRoue TPS

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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.

Omega Speedmaster Calibre 321 Chronograph 42mm at true scale

Speedmaster Calibre 321 Chronograph 42mm

Roue TPS at true scale

TPS

Diameter

42mm

40mm

Lug-to-Lug

47.6mm

lowest

48mm

Thickness

13.4mm

lowest

13.4mm

Water Resistance

50m

50m

Power Reserve

55h

n/a

MSRP

$77,900

$420

lowest

Movement

Omega 321

Seiko VK63

Case

6 specs
Diameter
42mm
40mm
Thickness
13.39mm
13.4mm
Lug-to-Lug
47.6mm
48mm
Lug Width
20mm
n/a
Material
950 Platinum
Stainless Steel
Finish
Platinum
n/a

Crystal & Dial

2 specs
Crystal Shape
Domed
n/a
Dial Color
Black
Orange and grey

Movement

6 specs
Caliber
Omega 321
Seiko VK63
Type
Manual
Meca-Quartz
Power Reserve
55h
0h
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Chronograph
None

Pricing

1 specs
MSRP
$77,900
$420
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Omega Speedmaster Calibre 321 Chronograph 42mm

The Omega Speedmaster Calibre 321 Chronograph 42mm is widely praised for its historical significance, craftsmanship, and elegant design, with owners appreciating its faithful re-creation of vintage models and superior finishing on the bracelet and movement. Some owners find it wears well, like a piece of history, and prefer its proportions and lighter weight to other Speedmasters. However, its high price point, often double that of other Speedmaster models, is a significant consideration, with some questioning the value proposition despite the unique Calibre 321 movement and dedicated production facility. Accuracy varies, with one owner reporting +20 seconds per day, while others note it is less accurate than the 3861 movement. The Omega Speedmaster Calibre 321 Chronograph 42mm is considered by many to be the ultimate Speedmaster, highly regarded for its blend of historical horology and refined execution.

From video reviewers

The Calibre 321 movement is a standout feature. Reviewers disagree on the case size, with one noting 42mm and the other 39.7mm.

Roue TPS

Owners widely praise the Roue TPS for its fun, eye-catching, and motorsport-inspired design, with many singling out the dial colors and retro-funk aesthetic as highlights. Reviewers and owners alike note the solid build quality and value, especially under 300 euro, with the Seiko VK63 meca-quartz movement's chronograph functions considered useful for everyday tasks. Some owners find the watch wears larger than its 40mm case size, and there is a preference among some for a full sapphire crystal over the domed mineral crystal with sapphire coating. One owner reported significant condensation issues. Overall, owners and reviewers rate the Roue TPS highly for its distinctive design and strong value proposition.

From video reviewers

The triple-layer dial construction and value at the price point are strengths. No shared weaknesses were identified.

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