Side by side

Spinnaker Spence 300vsLongines HYDROCONQUEST

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

Spence 300
SpinnakerSpence 300
MSRP $650
HYDROCONQUEST
LonginesHYDROCONQUEST
MSRP $2,350

At a glance

8 of 29 specs differ
Diameter
Spence 30040mm
HYDROCONQUEST39mm
Power Reserve
Spence 30040h
HYDROCONQUEST40h
Water Resistance
Spence 300300m
HYDROCONQUEST300m
MSRP
Spence 300$650
HYDROCONQUEST$2,350

Full specifications

Case

5 specs
Diameter
40mm
39mm
Thickness
11.5mm
12.2mm
Lug-to-Lug
48mm
48.1mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

1 specs
Dial Color
Aquamarine
Grey

Movement

1 specs
Caliber
SII NH35A
L888.5

Pricing

1 specs
MSRP
$650
$2,350

Follow this matchup

Get a note when Spinnaker Spence 300 vs Longines HYDROCONQUEST gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

Spinnaker Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

Longines HYDROCONQUEST

Owners widely praise the Longines HydroConquest's dial and finishing, with one owner finding it superior to a Rolex Submariner. The movement is noted as well-regulated, losing about 2 seconds per day. The watch is considered a versatile everyday or business-casual option, offering good value. However, owners criticize the bracelet for lacking tool-less micro-adjustment and describe winding the crown as a nuisance. Some in the line report tiny GMT markers that are difficult to read and the absence of a quick date adjust feature. Overall, owners rate the Longines HydroConquest highly for its finishing and value.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.