Side by side

Spinnaker Dumas GMTvsLongines MASTER COLLECTION

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399
MASTER COLLECTION
LonginesMASTER COLLECTION
MSRP $2,350

At a glance

21 of 29 specs differ
Diameter
Dumas GMT44mm
MASTER COLLECTION29mm
Power Reserve
Dumas GMT40h
MASTER COLLECTION45h
Water Resistance
Dumas GMT300m
MASTER COLLECTION30m
MSRP
Dumas GMT$399
MASTER COLLECTION$2,350

Full specifications

Case

9 specs
Category
GMT
Diameter
44mm
29mm
Thickness
15mm
9mm
Lug-to-Lug
48mm
34.5mm
Lug Width
22mm
15mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
300m
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Blue
Silver
Indices
Applied
Painted Arabic numerals
Lume
None
Super-LumiNova

Movement

6 specs
Caliber
Seiko NH34A
L592.5
Power Reserve
40h
45h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$399
$2,350

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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 MASTER COLLECTION

Owners and reviewers widely praise the Longines Master Collection for its excellent finishing and value, with specific mentions of beautiful dials featuring engraved Breguet numerals and blued hands. The movement offers a 72-hour power reserve, and the classical design is noted as versatile. Some owners report the bracelet lacks sufficient micro-adjustment options for a precise fit, and one owner experienced a broken moon phase setting mechanism requiring service. The Master Collection Annual Calendar has 30m water resistance, considered light by one reviewer. Overall, the consensus is that owners and reviewers rate the Longines Master Collection highly for its exceptional value and refined finishing.

From video reviewers

The watch has a strong wrist presence and comfort. The movement accuracy is also a notable feature, delivering luxury value at its price point.

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