Side by side
Bremont Altitude Perpetual Calendar GMTvsOblvlo HM GT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Altitude Perpetual Calendar GMT42mm
HM GT44mm
Power Reserve
Altitude Perpetual Calendar GMT40h
HM GT42h
Water Resistance
Altitude Perpetual Calendar GMT—
HM GT50m
MSRP
Altitude Perpetual Calendar GMT$38,450
HM GT$209
Full specifications
Case
6 specsCategory
GMT
Sport
Diameter
42mm
44mm
Thickness
12.65mm
12mm
Lug-to-Lug
—
46mm
Material
Titanium
Stainless Steel
Water Resistance
—
50m
Crystal & Dial
1 specsDial Color
Blue
Black
Movement
4 specsCaliber
—
Miyota 8217
Power Reserve
40h
42h
Jewels
25
21
Complications
None
Day, Date
Pricing
1 specsMSRP
$38,450
$209
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