MMI Watches Turret 300M - Model: TR9-WL (Polaris White) (NO DATE)vsOmega 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.

Turret 300M - Model: TR9-WL (Polaris White) (NO DATE)

Seamaster Planet Ocean 600M Co Axial Master Chronometer 39.5mm
Diameter
40mm
39.5mm
Lug-to-Lug
47mm
45.6mm
lowest
Thickness
13.8mm
lowest
14.2mm
Water Resistance
300m
600m
highest
Power Reserve
n/a
55h
MSRP
$465
n/a
Movement
Seiko NH35
Omega 8800
Case
5 specsCrystal & Dial
2 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners are astonished by the quality and stunning details of the MMI Watches Turret 300M - Model: TR9-WL (POLARIS WHITE) (NO DATE), stating it looks even better in person. The MMI Turret 300M V2 is praised for its comfortable 40mm diameter, 47mm lug-to-lug, and a slim 13.6mm thickness for a diver, reusing the brand's popular Turret case with a fixed bezel inspired by the USS Monitor turret. Overall, owners rate the MMI Watches Turret 300M - Model: TR9-WL (POLARIS WHITE) (NO DATE) highly for its impressive in-person appearance and comfortable wearability.
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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