Omega Speedmaster Moonwatch Professional Co Axial Master Chronometer Chronograph 42mmvsBaltic Scalegraph

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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 Moonwatch Professional Co Axial Master Chronometer Chronograph 42mm at true scale

Speedmaster Moonwatch Professional Co Axial Master Chronometer Chronograph 42mm

Baltic Scalegraph at true scale

Scalegraph

Diameter

42mm

39.5mm

Lug-to-Lug

47.5mm

47mm

lowest

Thickness

13.2mm

lowest

14.1mm

Water Resistance

50m

100m

highest

Power Reserve

50h

63h

highest

MSRP

$36,100

$1,766

lowest

Movement

Omega 3861

Sellita SW510

Case

6 specs
Diameter
42mm
39.5mm
Thickness
13.18mm
14.1mm
Lug-to-Lug
47.5mm
47mm
Material
18kt Sedna Gold
Stainless Steel
Finish
Steel
n/a
Water Resistance
50m
100m

Crystal & Dial

4 specs
Crystal Shape
Domed
n/a
AR Coating
n/a
Yes
Dial Color
Black
Blue
Lume
None
BGW9

Movement

5 specs
Caliber
Omega 3861
Sellita SW510
Power Reserve
50h
63h
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Chronograph
None

Pricing

1 specs
MSRP
$36,100
$1,766
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Reviews

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

Omega Speedmaster Moonwatch Professional Co Axial Master Chronometer Chronograph 42mm

Owners widely praise the Omega Speedmaster Moonwatch Professional Co Axial Master Chronometer Chronograph 42mm for its historical significance, iconic design, and wearability, with some finding it provides more personal satisfaction than more expensive watches. Reviewers note the updated 3861 movement offers improved accuracy and magnetic resistance, and the bracelet is a significant enhancement. The redesigned case and dial details are seen as aesthetic advances, and the Hesalite crystal, while scratch-prone, is polishable. Some owners find the current prices too high, suggesting it is overrated and overpriced at $7,000, citing a lack of applied markers and mediocre lume, while others disagree, highlighting its value at lower price points and its status as the best movement in the line.

Baltic Scalegraph

Owners and reviewers widely praise the Baltic Scalegraph for its compelling vintage styling and excellent value at its price point, with its 39.5mm case offering a slim and compact feel. The applied indices are a standout design element, though legibility can occasionally be a challenge due to polished surfaces. The manual-wind Sellita SW510-M movement provides a power reserve of approximately 60-63 hours. One owner reported bezel marker misalignment, which the brand stated was intentional, contradicting expectations. The screw-down pushers and 100m water resistance enhance its sports chronograph feel. Overall, owners and reviewers rate the Baltic Scalegraph highly for its vintage charm combined with modern wearability and capability at the price.

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