Side by side

Spinnaker Dumas GMTvsLongines CONQUEST

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399
CONQUEST
LonginesCONQUEST
MSRP $900

At a glance

20 of 29 specs differ
Diameter
Dumas GMT44mm
CONQUEST41mm
Power Reserve
Dumas GMT40h
CONQUEST40h
Water Resistance
Dumas GMT300m
CONQUEST300m
MSRP
Dumas GMT$399
CONQUEST$900

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
44mm
41mm
Thickness
15mm
11.8mm
Lug-to-Lug
48mm
51mm
Lug Width
22mm
21mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Caseback
Solid
Screw-down case back

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Underside
Indices
Applied
Applied Arabic numerals and indexes
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
Seiko NH34A
L157.3
Type
Automatic
Quartz
Beat Rate
28,800 vph
25,200 vph
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$399
$900

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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 GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

Longines CONQUEST

Owners widely praise the Longines CONQUEST for its excellent finishing, comfortable wearability, and strong value, with many highlighting its versatility and smooth hand-winding action. Specific points of praise include the clean design, 30 ATM water resistance, and curved lugs contributing to comfort. However, reviewers and owners consistently note the bracelet's lack of micro-adjustment and the lume is considered poor by multiple sources. Some find the design too simple, and one owner felt the watch was underwhelming in person. On balance, owners rate the Longines CONQUEST highly for its exceptional finishing and value at its price point.

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