Side by side
Boldr BlastoisevsBremont Altitude Perpetual Calendar 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
Blastoise40mm
Altitude Perpetual Calendar GMT42mm
Power Reserve
Blastoise40h
Altitude Perpetual Calendar GMT40h
Water Resistance
Blastoise200m
Altitude Perpetual Calendar GMT—
MSRP
Blastoise$449
Altitude Perpetual Calendar GMT$38,450
Full specifications
Case
7 specsCategory
Diver
GMT
Diameter
40mm
42mm
Thickness
12mm
12.65mm
Lug-to-Lug
49.5mm
—
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
200m
—
Crystal & Dial
2 specsDial Color
Blastoise
Blue
Lume
Super-LumiNova
None
Movement
1 specsCaliber
Seiko (SII) NH37
—
Pricing
1 specsMSRP
$449
$38,450
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