Bremont Supermarine 300MvsThorn Thorn Titanium

Thorn Titanium
ThornThorn Titanium

Ref. thorn-pt5000-automatic-39mm-titanium-watch-shy036·MSRP $185

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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.

Bremont Supermarine 300M at true scale

Supermarine 300M

Thorn Thorn Titanium at true scale

Thorn Titanium

Diameter

40mm

39mm

Lug-to-Lug

n/a

44.4mm

Thickness

12mm

lowest

12.1mm

Water Resistance

300m

highest

200m

MSRP

$3,550

$185

lowest

Movement

Bremont BE-92AE

PT5000

Case

5 specs
Diameter
40mm
39mm
Thickness
12mm
12.1mm
Lug-to-Lug
n/a
44.4mm
Material
904L Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
Green
n/a

Movement

1 specs
Caliber
Bremont BE-92AE
PT5000

Pricing

1 specs
MSRP
$3,550
$185
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Reviews

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

Bremont Supermarine 300M

The Bremont Supermarine 300M is praised for its comfortable 40mm case, which some owners find wears well even on smaller wrists due to its lug design, outperforming some 40mm watches. One forum contributor notes the 40mm case is relatively compact for a 300m diver and is priced at $1375. A reviewer found the 40mm case comfortable. On balance, owners and reviewers appreciate the Bremont Supermarine 300M's wearable 40mm case size and comfortable wearability.

Thorn Titanium

Owners widely praise the Cronos Thorn PT5000 Automatic 39mm Titanium Watch SHY036 for its value, with one owner calling it the best modern explorer homage under $170. The tool-free bracelet adjustment links are considered a game-changer, and the 39mm titanium case is noted as unobtrusive and keeping the watch under 11mm thick. The PT5000 movement's accuracy is a point of varied owner experience, ranging from exceptional timekeeping comparable to quartz, to running 2.8 seconds fast per day, or gaining 2.5 minutes over two weeks. Some owners express skepticism or disappointment with the PT5000 movement, with one finding it noisy and finicky, and another preferring Seiko alternatives. Overall, owners rate the Cronos Thorn PT5000 Automatic 39mm Titanium Watch SHY036 highly for its excellent value and practical bracelet features, despite mixed experiences with the PT5000 movement's accuracy.

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