Side by side

Hamilton Khaki Field King Day-DatevsLongines HYDROCONQUEST GMT

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

Khaki Field King Day-Date
HamiltonKhaki Field King Day-Date
MSRP $845
HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350

At a glance

10 of 29 specs differ
Diameter
Khaki Field King Day-Date40mm
HYDROCONQUEST GMT41mm
Power Reserve
Khaki Field King Day-Date80h
HYDROCONQUEST GMT40h
Water Resistance
Khaki Field King Day-Date100m
HYDROCONQUEST GMT300m
MSRP
Khaki Field King Day-Date$845
HYDROCONQUEST GMT$3,350

Full specifications

Case

6 specs
Category
Field
Diver
Diameter
40mm
41mm
Thickness
11.8mm
12.9mm
Lug-to-Lug
46mm
49.4mm
Lug Width
20mm
21mm
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Black
Green

Movement

2 specs
Caliber
H-40
L844.5
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$845
$3,350

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Hamilton Khaki Field King Day-Date

Hamilton Khaki Field King Day-Date owners widely praise its classic styling, 80-hour power reserve, and excellent value. Opinions on water resistance are split; some express concern over the 50m rating, while others find it sufficient for daily wear and swimming. One owner notes the stock strap can be stiff. Service costs range from $55 for routine maintenance to $220 for full service with movement replacement. On balance, owners rate the Hamilton Khaki Field King Day-Date highly for its classic aesthetics and impressive power reserve at its price point.

From video reviewers

The 80-hour power reserve from the H-40 automatic movement is a significant strength. The 50-meter water resistance is considered a limitation for a field watch.

Longines HYDROCONQUEST GMT

Owners widely praise the Longines HYDROCONQUEST GMT for its excellent finishing, smooth winding action, and overall value, with some finding its build quality and colorways superior to higher-priced competitors. Reviewers and owners alike note its robustness as a traveler's dive watch with a true GMT movement. Some owners find the round markers at 6 and 9 disrupt dial symmetry, and the GMT hour markers are described as tiny and difficult to read. The date wheel can be mismatched on certain dial colors, and the bracelet clasp is noted as sharp by one reviewer. While some owners wish for a smaller case size, others find the 41mm comfortable. The bezel action is flagged as having bounce-back by one owner, though the brushed finish effectively hides wear. Overall, owners and reviewers rate the Longines HYDROCONQUEST GMT highly for its robust build and excellent value proposition.

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