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 $3,100

At a glance

20 of 29 specs differ
Diameter
Dumas GMT44mm
MASTER COLLECTION42mm
Power Reserve
Dumas GMT40h
MASTER COLLECTION
Water Resistance
Dumas GMT300m
MASTER COLLECTION30m
MSRP
Dumas GMT$399
MASTER COLLECTION$3,100

Full specifications

Case

9 specs
Category
GMT
Diameter
44mm
42mm
Thickness
15mm
9.64mm
Lug-to-Lug
48mm
49.6mm
Lug Width
22mm
21mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
300m
30m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Blue
Silver
Indices
Applied

Movement

6 specs
Caliber
Seiko NH34A
L888.5
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$399
$3,100

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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 fit and finish, heritage-inspired design with features like Breguet numerals and leaf hands, and the value it offers, particularly for complications like chronographs and annual calendars. Specific models are noted for their beautiful dial execution, creamy white barleycorn or blue starburst finishes, and practical complications. Some owners find the Master Collection thin and dressy, appreciating its vintage aesthetic. However, drawbacks mentioned include a subdial potentially obscuring numerals, a bracelet lacking micro-adjustments causing fit issues for some, and a case finishing described as homogenous by one owner. The 30m water resistance on annual calendar models is considered light, and the crown and pushers on the moon phase chronograph are described as uninspiring. One owner reported a broken moon phase setting mechanism.

From video reviewers

The diamond hour markers are a notable strength. The movement accuracy was not discussed.

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