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 $4,850

At a glance

22 of 29 specs differ
Diameter
Dumas GMT44mm
MASTER COLLECTION40mm
Power Reserve
Dumas GMT40h
MASTER COLLECTION72h
Water Resistance
Dumas GMT300m
MASTER COLLECTION30m
MSRP
Dumas GMT$399
MASTER COLLECTION$4,850

Full specifications

Case

9 specs
Category
GMT
Diameter
44mm
40mm
Thickness
15mm
9.35mm
Lug-to-Lug
48mm
46.8mm
Lug Width
22mm
21mm
Material
316L Stainless Steel
Gold
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
Diamond indexes
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
Seiko NH34A
L888.5
Beat Rate
28,800 vph
25,200 vph
Power Reserve
40h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$399
$4,850

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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 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

The Longines Master Collection is widely praised for its excellent fit and finish, heritage-inspired design with engraved Breguet numerals, and dial textures, offering tremendous value. Owners appreciate its dressy, thin profile and the use of ETA movements, with specific models featuring triple-date, annual calendar, or moonphase chronograph complications. Some reviewers note the subdial cutting off the "7" on the Small Seconds model, the lack of micro-adjustments on the bracelet for a perfect fit, and a somewhat homogenous case finishing. The 30m water resistance on the Annual Calendar is considered light, and the traditional styling is not as popular as sport watches. The Master Collection Chronograph is lauded for its classic, vintage styling. Overall, owners rate the Longines Master Collection highly for its value and classic dress watch aesthetics.

From video reviewers

The movement accuracy is consistently praised. Reviewers noted the elegant and timeless design.

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