Knot Watches AT1-40SSVvsOmega Seamaster Planet Ocean 600M Co Axial Master Chronometer 39.5mm

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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.

Knot Watches AT1-40SSV at true scale

AT1-40SSV

Omega Seamaster Planet Ocean 600M Co Axial Master Chronometer 39.5mm at true scale

Seamaster Planet Ocean 600M Co Axial Master Chronometer 39.5mm

Diameter

40mm

39.5mm

Lug-to-Lug

n/a

45.6mm

Thickness

11mm

lowest

14.2mm

Water Resistance

200m

600m

highest

Power Reserve

42h

55h

highest

MSRP

$869

n/a

Movement

Miyota 9015

Omega 8800

Case

5 specs
Diameter
40mm
39.5mm
Thickness
11mm
14.21mm
Lug-to-Lug
n/a
45.6mm
Lug Width
n/a
19mm
Water Resistance
200m
600m

Crystal & Dial

2 specs
Crystal Shape
n/a
Domed
Dial Color
n/a
White

Movement

3 specs
Caliber
Miyota 9015
Omega 8800
Beat Rate
0 vph
25,200 vph
Power Reserve
42h
55h

Pricing

1 specs
MSRP
$869
n/a
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Reviews

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

Knot Watches AT1-40SSV

Owners widely praise the Knot Watches AT1-40SSV for its solid build quality, clean aesthetic, and good finish, with the small seconds hand accurately hitting its markers. The 40mm case size is generally considered good, though one owner felt it wore "a tad on the small side." Opinions on the included straps are divided, with some appreciating their unique Japanese fabrics and leathers and finding them soft and ready-to-wear, while others express disappointment with their quality and note they can be stiff initially. One owner also flagged the small crown as a nitpick due to its low placement. Overall, owners rate the Knot Watches AT1-40SSV highly for its overall quality and finish at the price point.

Omega Seamaster Planet Ocean 600M Co Axial Master Chronometer 39.5mm

The Omega Seamaster Planet Ocean 600M Co Axial Master Chronometer 39.5mm is praised for its excellent finishing and handsome, easy-to-read dial with good lume. Owners find the 39.5mm size suitable for smaller wrists, though some describe it as a chunky or heavy piece. The Co-Axial movement is noted for potentially increasing service intervals. Opinions are divided on the case proportions, with some finding them strange or awkward due to the 14.5mm thickness, while others appreciate its substantial build and comfortable bracelet with a useful micro-adjust clasp, though one reviewer noted a lack of micro-adjustment on the steel bracelet. The "Summer Blue" dial is considered pretty, and the watch retains its 600m water resistance and helium escape valve. One reviewer found a specific brown ceramic and gold combination visually jarring.

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