Side by side

Sugess Seestern S434 Pro DivervsLongines HYDROCONQUEST

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

Seestern S434 Pro Diver
SugessSeestern S434 Pro Diver
MSRP $249
HYDROCONQUEST
LonginesHYDROCONQUEST
MSRP $2,000

At a glance

21 of 29 specs differ
Diameter
Seestern S434 Pro Diver40mm
HYDROCONQUEST41mm
Power Reserve
Seestern S434 Pro Diver40h
HYDROCONQUEST72h
Water Resistance
Seestern S434 Pro Diver200m
HYDROCONQUEST300m
MSRP
Seestern S434 Pro Diver$249
HYDROCONQUEST$2,000

Full specifications

Case

8 specs
Diameter
40mm
41mm
Thickness
12mm
11.9mm
Lug-to-Lug
46mm
53.5mm
Lug Width
20mm
21mm
Material
Stainless Steel/Rose Gold
Ceramic
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Engraved

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
2 Salmon
Green
Indices
Applied
Lume
Super-LumiNova BGW9
None

Movement

7 specs
Caliber
NH35
L888.5
Beat Rate
3 vph
0 vph
Power Reserve
40h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
GMT, Chronograph, Moonphase, Date
None

Pricing

1 specs
MSRP
$249
$2,000

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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 S434 Pro Diver

Owners widely praise the Sugess Seestern S434 Pro Diver for its impressive finishing and craftsmanship at its price point, highlighting the applied indices that play with light, excellent BGW9 lume, and attractive color options. Specific positive notes include the domed sapphire crystal, short lug-to-lug, and on-the-fly clasp adjustment. However, some owners report quality control issues such as misaligned bezels or indices, while others with V2 models experience no such problems. Caveats include slight bezel back play, light AR coating on the crystal, and a clasp that could be smoother, with one owner desiring a color-matched date wheel. On balance, owners rate the Sugess Seestern S434 Pro Diver highly for its exceptional value and build quality, particularly the dial finishing and lume.

Longines HYDROCONQUEST

Owners widely praise the Longines Hydroconquest for its attractive sunburst blue dial and accurate timekeeping, with one owner reporting a loss of only 2 seconds per day. However, the bracelet is frequently criticized for lacking micro-adjustments and having pinch-prone links, and the screw-down crown is noted as inconvenient and difficult to operate by multiple owners. Some owners also flag the bezel action as ratchety with back play, and one owner found the lugs sharp and the overall design uncomfortable, leading them to sell the watch. On balance, owners appreciate the Longines Hydroconquest's aesthetic appeal and value, despite significant reservations about its bracelet and crown usability.

From video reviewers

The bezel action is praised for its smooth and precise rotation. Lume brightness is a shared weakness, found to be somewhat lacking. Reviewers disagreed on the watch's value proposition compared to alternatives.

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