Side by side

Lum-Tec B64 ChronographvsLongines HYDROCONQUEST GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

B64 Chronograph
Lum-TecB64 Chronograph
MSRP $545
HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350

At a glance

11 of 29 specs differ
Diameter
B64 Chronograph44mm
HYDROCONQUEST GMT41mm
Power Reserve
B64 Chronograph40h
HYDROCONQUEST GMT40h
Water Resistance
B64 Chronograph100m
HYDROCONQUEST GMT300m
MSRP
B64 Chronograph$545
HYDROCONQUEST GMT$3,350

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
44mm
41mm
Thickness
—
12.9mm
Lug-to-Lug
51.5mm
49.4mm
Lug Width
22mm
21mm
Material
Titanium (DLC coated)
Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Standard
Green

Movement

1 specs
Caliber
—
L844.5

Pricing

1 specs
MSRP
$545
$3,350

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