Side by side

Spinnaker Dumas GMTvsNivada Grenchen Super Antarctic 35mm Automatic

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399
Super Antarctic 35mm Automatic
Nivada GrenchenSuper Antarctic 35mm Automatic
MSRP $945

At a glance

17 of 29 specs differ
Diameter
Dumas GMT44mm
Super Antarctic 35mm Automatic35mm
Power Reserve
Dumas GMT40h
Super Antarctic 35mm Automatic36h
Water Resistance
Dumas GMT300m
Super Antarctic 35mm Automatic100m
MSRP
Dumas GMT$399
Super Antarctic 35mm Automatic$945

Full specifications

Case

9 specs
Category
GMT
Sport
Diameter
44mm
35mm
Thickness
15mm
10.1mm
Lug-to-Lug
48mm
41.9mm
Lug Width
22mm
18mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Brushed + Polished
Water Resistance
300m
100m
Caseback
Solid
Engraved

Crystal & Dial

2 specs
Dial Color
Blue
Black
Lume
None
Super-LumiNova

Movement

5 specs
Caliber
Seiko NH34A
Sellita SW200
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
36h
Jewels
25
18
Complications
None
GMT

Pricing

1 specs
MSRP
$399
$945

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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.

Nivada Grenchen Super Antarctic 35mm Automatic

The Nivada Grenchen Super Antarctic 35mm Automatic is praised as a fantastic time-only release with excellent legibility due to its large indices and hands, and a comfortable 38mm case. Reviewers highlight its vintage-accurate 10.1mm thinness and 200m water resistance. An owner reports accuracy gains of +6 to +9 seconds per day, and one reviewer notes the "cream" lume color appears too yellow for faux patina. Overall, owners and reviewers rate the Nivada Grenchen Super Antarctic 35mm Automatic highly for its comfortable size and excellent legibility at its price point.

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