Side by side

Seestern S456 GMTvsLongines HYDROCONQUEST MESH

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

S456 GMT
SeesternS456 GMT
MSRP $299
HYDROCONQUEST MESH
LonginesHYDROCONQUEST MESH
MSRP $2,350

At a glance

15 of 29 specs differ
Diameter
S456 GMT41mm
HYDROCONQUEST MESH41mm
Power Reserve
S456 GMT41hh
HYDROCONQUEST MESH72h
Water Resistance
S456 GMT200m
HYDROCONQUEST MESH300m
MSRP
S456 GMT$299
HYDROCONQUEST MESH$2,350

Full specifications

Case

7 specs
Category
GMT
Diver
Thickness
13mm
11.9mm
Lug-to-Lug
49mm
51.1mm
Lug Width
20mm
21mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Water Resistance
200m
300m

Crystal & Dial

2 specs
Dial Color
Sunray style, applied and Diamond cut Indices, C1 lume
Black
Lume
C1
None

Movement

5 specs
Caliber
Seiko NH34
L888.5
Beat Rate
3 vph
28,800 vph
Power Reserve
41hh
72h
Jewels
24
25
Complications
GMT
None

Pricing

1 specs
MSRP
$299
$2,350

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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.

Seestern S456 GMT

Owners widely praise the Seestern S456 GMT for its exceptional value and finishing that exceeds expectations, with one owner noting its accuracy surpasses that of their Seiko 5. The dial displays a pearl-like rainbow effect. Some owners would prefer a bidirectional bezel over the current unidirectional one. The Seestern S456 GMT features an NH34 movement, a 39.5mm case, sapphire crystal, and an adjustable clasp. On balance, owners rate the Seestern S456 GMT highly for its impressive finishing and value proposition at its price point.

From video reviewers

The watch features stunning, detailed finishing that is difficult to top. Reviewers did not reach a consensus on any weaknesses.

Longines HYDROCONQUEST MESH

Owners widely praise the Longines HYDROCONQUEST MESH for its eye-catching dial colors and impressive fit and finish at its price point, with some noting a well-regulated movement losing around 2 seconds per day and others seeing accuracy within COSC specifications. The tapered mesh bracelet is described as a clever execution with emphasized adjustability, offering a neat feature for wrist swelling. However, some owners criticize the bracelet's clasp for lacking on-the-fly micro-adjustments and the potential for pinching, while winding the screw-down crown is considered inconvenient by some. The lume is a point of contention, with one owner finding it disappointing and fading quickly, while another reports it as strong and long-lasting. Overall, owners rate the Longines HYDROCONQUEST MESH highly for its competitive pricing and versatile, modern retro aesthetic.

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