Side by side
Oblvlo GCM MechanicalvsHamilton Jazzmaster Maestro Auto Chrono
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
GCM Mechanical41mm
Jazzmaster Maestro Auto Chrono45mm
Power Reserve
GCM Mechanical42h
Jazzmaster Maestro Auto Chrono60h
Water Resistance
GCM Mechanical50m
Jazzmaster Maestro Auto Chrono100m
MSRP
GCM Mechanical$231
Jazzmaster Maestro Auto Chrono$1,995
Full specifications
Case
5 specsCategory
Sport
Chronograph
Diameter
41mm
45mm
Thickness
12mm
15.35mm
Lug Width
21mm
23mm
Water Resistance
50m
100m
Crystal & Dial
2 specsDial Color
Black
Blue
Lume
Super-LumiNova
None
Movement
2 specsCaliber
Miyota 82S5
H-21
Power Reserve
42h
60h
Pricing
1 specsMSRP
$231
$1,995
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