Which is cheaper, the Spinnaker Dumas Automatic or the Longines CONQUEST?

At MSRP the Spinnaker Dumas Automatic is the cheaper of the two at $239, against $2,850 for the Longines CONQUEST — a $2,611 gap before any retailer discounting.

Which is bigger, the Spinnaker Dumas Automatic or the Longines CONQUEST?

The Spinnaker Dumas Automatic wears larger at 44mm versus 30mm for the Longines CONQUEST — a 14mm difference across the dial.

Which has better water resistance, the Spinnaker Dumas Automatic or the Longines CONQUEST?

The Spinnaker Dumas Automatic is rated to 300m versus 100m for the Longines CONQUEST.

Which has a longer power reserve, the Spinnaker Dumas Automatic or the Longines CONQUEST?

The Longines CONQUEST carries a 45-hour power reserve against 40 hours on the Spinnaker Dumas Automatic.

What movement does the Spinnaker Dumas Automatic run compared to the Longines CONQUEST?

Both watches run automatic movements — the Spinnaker Dumas Automatic uses the SII NH35A and the Longines CONQUEST uses the L592.5.

Side by side

Spinnaker Dumas AutomaticvsLongines CONQUEST

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

Spinnaker Dumas Automatic

dumas-blue-yonder-sp-5081-dd

MSRP $239

Longines CONQUEST

L3.320.4.97.6

MSRP $2,850

At a glance

20 of 29 specs differ

Diameter

Dumas Automatic44mm

CONQUEST30mm

Power Reserve

Dumas Automatic40h

CONQUEST45h

Water Resistance

Dumas Automatic300m

CONQUEST100m

MSRP

Dumas Automatic$239

CONQUEST$2,850

Full specifications

Case

9 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Inner

Both sides

Indices

Applied

Diamond indexes

Lume

None

Super-LumiNova

Movement

6 specs

Caliber

SII NH35A

L592.5

Power Reserve

40h

45h

Jewels

Hacking

Yes

Hand-winding

Yes

Complications

None

Hours, minutes, seconds and date

Pricing

1 specs

MSRP

$239

$2,850

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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 Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

WatchUSeek

Longines CONQUEST

Owners and reviewers widely praise the Longines CONQUEST for its high-quality finishing, versatile design, and exceptional value, with many highlighting its comfortable wearability and solid build. Accuracy figures are generally positive, with one owner reporting +1/+2 seconds per day. However, several owners note that the bracelet lacks micro-adjustment, which can affect fit, and some find the lume to be weak or inconsistently applied across variants. One owner also mentioned the crown rubbing against the wrist. On balance, owners and reviewers rate the Longines CONQUEST highly for its blend of elegant design and robust build at an accessible price point.

From video reviewers

The perfectly balanced case size is a key strength of the Longines Conquest. A notable weakness is the somewhat lacking lume brightness. Reviewers disagree on the ideal case size, with one preferring 38mm and the other 39mm.

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