Side by side
Le Forban Sécurité Mer La BrestoisevsMaystone Watch Co Prosperity GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
La Brestoise39mm
Prosperity GMT38mm
Power Reserve
La Brestoise42h
Prosperity GMT41h
Water Resistance
La Brestoise150m
Prosperity GMT100m
MSRP
La Brestoise—
Prosperity GMT$443
Full specifications
Case
6 specsDiameter
39mm
38mm
Thickness
12.7mm
11.9mm
Lug-to-Lug
45mm
46mm
Lug Width
20mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
150m
100m
Crystal & Dial
2 specsDial Color
—
Red
Lume
None
string
Movement
2 specsCaliber
Miyota 8215
Seiko NH34
Power Reserve
42h
41h
Pricing
1 specsMSRP
—
—
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