Side by side

Sugess Seestern S456 GMTvsLongines CONQUEST

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

Seestern S456 GMT
SugessSeestern S456 GMT
MSRP $299
CONQUEST
LonginesCONQUEST
MSRP $2,850

At a glance

19 of 29 specs differ
Diameter
Seestern S456 GMT40mm
CONQUEST30mm
Power Reserve
Seestern S456 GMT40h
CONQUEST45h
Water Resistance
Seestern S456 GMT200m
CONQUEST100m
MSRP
Seestern S456 GMT$299
CONQUEST$2,850

Full specifications

Case

8 specs
Category
GMT
Sport
Diameter
40mm
30mm
Thickness
13mm
9.7mm
Lug-to-Lug
48.8mm
37.8mm
Lug Width
20mm
15mm
Finish
Brushed and polished
Water Resistance
200m
100m
Caseback
Solid
Screw-down and transparent with sapphire crystal case back

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Both sides
Indices
Applied
Diamond indexes
Lume
Tritium
Super-LumiNova

Movement

6 specs
Caliber
NH34
L592.5
Power Reserve
40h
45h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
GMT, Date
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$299
$2,850

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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.

Sugess Seestern S456 GMT

Owners widely praise the Sugess Seestern S456 GMT for its excellent case finishing, deep blue sunburst dial, and crisp indices, with one owner rating the overall fit and finish 9.5 out of 10. The watch is noted for its legibility, strong lume that lasts about 4 hours, and accurate timekeeping around -4 seconds per day, with easy GMT hand adjustment. Some owners report issues with a loose or friction-based unidirectional bezel, while others find theirs tight and prefer a bidirectional GMT bezel. The sapphire crystal is described as clear and flat by some, but others find it very reflective with AR coating that could be improved. Sizing is generally considered good at 39mm with a 46mm lug-to-lug and 12mm thickness, though one owner expresses concern about its 49mm lug-to-lug and 41mm bezel diameter. Overall, owners rate the Sugess Seestern S456 GMT highly for its impressive finishing and dial at its price point.

Longines CONQUEST

Owners and reviewers widely praise the Longines CONQUEST for its high-quality finishing, versatile design, and exceptional value, with many highlighting its comfortable wearability and solid build. Accuracy figures are generally positive, with one owner reporting +1/+2 seconds per day. However, several owners note that the bracelet lacks micro-adjustment, which can affect fit, and some find the lume to be weak or inconsistently applied across variants. One owner also mentioned the crown rubbing against the wrist. On balance, owners and reviewers rate the Longines CONQUEST highly for its blend of elegant design and robust build at an accessible price point.

From video reviewers

The perfectly balanced case size is a key strength of the Longines Conquest. A notable weakness is the somewhat lacking lume brightness. Reviewers disagree on the ideal case size, with one preferring 38mm and the other 39mm.

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