Side by side

Spinnaker Fleuss 40 AutomaticvsLongines HYDROCONQUEST

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

Fleuss 40 Automatic
SpinnakerFleuss 40 Automatic
MSRP $450
HYDROCONQUEST
LonginesHYDROCONQUEST
MSRP $2,000

At a glance

19 of 29 specs differ
Diameter
Fleuss 40 Automatic40mm
HYDROCONQUEST41mm
Power Reserve
Fleuss 40 Automatic40h
HYDROCONQUEST72h
Water Resistance
Fleuss 40 Automatic150m
HYDROCONQUEST300m
MSRP
Fleuss 40 Automatic$450
HYDROCONQUEST$2,000

Full specifications

Case

8 specs
Diameter
40mm
41mm
Thickness
11mm
11.9mm
Lug-to-Lug
47mm
53.5mm
Lug Width
20mm
21mm
Material
316L Stainless Steel
Ceramic
Finish
Brushed and polished
Water Resistance
150m
300m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Coral
Green
Indices
Applied

Movement

6 specs
Caliber
SII NH35A
L888.5
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$450
$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.

Spinnaker Fleuss 40 Automatic

Owners find the Spinnaker Fleuss 40 Automatic a good size for smaller wrists, though one owner notes the lume is too diffuse for easy nighttime reading. The pilot-style crown is an unusual feature for a dive watch. Overall, owners value the Spinnaker Fleuss 40 Automatic for its wearability on smaller wrists.

From video reviewers

The coral red dial is a unique aesthetic. The watch is a strong contender for best-in-class under $300.

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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