Side by side

Sheffield Deep Gray 300vsLongines HYDROCONQUEST GMT

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

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Deep Gray 300
SheffieldDeep Gray 300
MSRP $258
HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350
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Buy used on eBay ↗
Buy from Longines ↗
Buy used on eBay ↗

At a glance

7 of 29 specs differ
Diameter
Deep Gray 30042mm
HYDROCONQUEST GMT43mm
Power Reserve
Deep Gray 30040h
HYDROCONQUEST GMT72h
Water Resistance
Deep Gray 300300m
HYDROCONQUEST GMT300m
MSRP
Deep Gray 300$258
HYDROCONQUEST GMT$3,350

Full specifications

Case

3 specs
Category
—
Diver
Diameter
42mm
43mm
Thickness
13.8mm
12.9mm

Crystal & Dial

1 specs
Dial Color
—
Green

Movement

2 specs
Caliber
Seiko NH35
L844.5
Power Reserve
40h
72h

Pricing

1 specs
MSRP
—
$3,350
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