Momentum M20 DSS DivervsSan Martin Sub Diver SN017
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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.
M20 DSS Diver
Sub Diver SN017
Diameter
42mm
40.5mm
Thickness
n/a
13mm
Water Resistance
200m
200m
MSRP
$329
$161
lowest
Movement
Ronda 515
Seiko NH35
Case
4 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Momentum M20 DSS Diver for its toughness, reliability, and good looks at its price point, with many appreciating its 42mm size and lightness. One owner highlights the double-domed sapphire crystal and machined clasp as classy features. The watch is noted to have 200m water resistance and a screw-down crown. Overall, owners rate the Momentum M20 DSS Diver highly for its durability and value.
Owners widely praise the San Martin SN017 for its superb finishing and value, with many noting its impressive build quality for the price. Some owners report exceptional timekeeping and lume, while others find the case and bracelet edges sharp, causing discomfort. Recent V3 units have shown date window misalignment issues, a departure from earlier versions. One owner found the bezel action to be poor, though another confirmed flawless performance on multiple scuba dives. Overall, owners rate the San Martin SN017 highly for its impressive finishing and features at a low price point.
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