Longines HYDROCONQUESTvsSpinnaker Spence 300

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Longines HYDROCONQUEST at true scale

HYDROCONQUEST

Spinnaker Spence 300 at true scale

Spence 300

Diameter

42mm

40mm

Lug-to-Lug

51.2mm

48mm

lowest

Thickness

11.7mm

11.5mm

lowest

Water Resistance

300m

300m

Power Reserve

72h

n/a

MSRP

$2,200

$650

lowest

Movement

Longines L888

Seiko NH35

Case

5 specs
Diameter
42mm
40mm
Thickness
11.7mm
11.5mm
Lug-to-Lug
51.2mm
48mm
Lug Width
21mm
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

3 specs
Crystal
n/a
Sapphire
Dial Color
Green
Aquamarine
Texture
Lacquered polished
n/a

Movement

4 specs
Caliber
Longines L888
Seiko NH35
Beat Rate
25,200 vph
0 vph
Power Reserve
72h
0h
Jewels
21
0

Pricing

1 specs
MSRP
$2,200
$650
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Reviews

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

Longines HYDROCONQUEST

Owners widely praise the Longines HYDROCONQUEST for its excellent value and finishing, often comparing it favorably to higher-end watches, with many appreciating the vibrant dial colors and the reliable movement. The slide-lock bracelet extension is noted as a particularly well-executed and useful feature. However, opinions on the bezel are mixed; some owners report confident action with no play, while others describe it as scratchy, difficult to turn, and exhibiting play or springiness. The Longines HYDROCONQUEST is considered a strong entry-level Swiss diver offering significant value for money.

Spinnaker Spence 300

Owners widely praise the Spinnaker Spence 300 for its slim 10.9mm case and 40mm diameter, offering a comfortable and versatile wear. Reviewers and owners alike highlight its value, with some seeing it as a budget alternative to more expensive dive watches. The watch features a Seiko NH35 automatic movement and 300m water resistance. However, some community members find the dial printing and bracelet finishing to be less refined, and a few suggest other brands offer better value at similar price points. On balance, owners and reviewers rate the Spinnaker Spence 300 highly for its impressive case dimensions and overall value proposition.

From video reviewers

The watch's thin 10.9mm profile for a 300m diver is a key strength. No shared weakness was identified.