Side by side
Biatec T. G. MasarykvsMaystone Watch Co Prosperity GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
T. G. Masaryk40mm
Prosperity GMT38mm
Power Reserve
T. G. Masaryk41h
Prosperity GMT41h
Water Resistance
T. G. Masaryk100m
Prosperity GMT100m
MSRP
T. G. Masaryk$2,214
Prosperity GMT$443
Full specifications
Case
4 specsDiameter
40mm
38mm
Thickness
11.15mm
11.9mm
Lug-to-Lug
48mm
46mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
2 specsDial Color
Beige
Red
Lume
None
string
Movement
2 specsCaliber
Sellita SW200-1
Seiko NH34
Power Reserve
41h
41h
Pricing
1 specsMSRP
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