Side by side

Spinnaker Dumas GMTvsLongines MASTER COLLECTION MOONPHASE

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399
MASTER COLLECTION MOONPHASE
LonginesMASTER COLLECTION MOONPHASE
MSRP $3,000

At a glance

22 of 29 specs differ
Diameter
Dumas GMT44mm
MASTER COLLECTION MOONPHASE34mm
Power Reserve
Dumas GMT40h
MASTER COLLECTION MOONPHASE72h
Water Resistance
Dumas GMT300m
MASTER COLLECTION MOONPHASE30m
MSRP
Dumas GMT$399
MASTER COLLECTION MOONPHASE$3,000

Full specifications

Case

9 specs
Category
GMT
Moonphase
Diameter
44mm
34mm
Thickness
15mm
11.1mm
Lug-to-Lug
48mm
41.7mm
Lug Width
22mm
18mm
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
Both sides
Dial Color
Blue
Silver
Indices
Applied
Painted Arabic numerals
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
Seiko NH34A
L899.5
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, moon phase display and date indicated by small hand at

Pricing

1 specs
MSRP
$399
$3,000

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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 MOONPHASE

Owners widely praise the Longines MASTER COLLECTION MOONPHASE for its mesmerizing and legible dial, balancing classic and complex design elements, with many considering it a great value for its complications. Reviewers note the 40mm case feels well-balanced, and the Caliber L899 movement offers a 64-hour power reserve. Some owners suggest the price point may be high relative to alternatives, and the 3 bar water resistance means it is not suitable for swimming, while the complete calendar requires manual adjustment for shorter months. On balance, the consensus is that owners rate the Longines MASTER COLLECTION MOONPHASE highly for its attractive dial and complications at its price point.

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