Side by side

Spinnaker Bradner GMTvsNivada Grenchen Super Antarctic 38mm Automatic

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

Bradner GMT
SpinnakerBradner GMT
MSRP $299
Super Antarctic 38mm Automatic
Nivada GrenchenSuper Antarctic 38mm Automatic
MSRP $945

At a glance

17 of 29 specs differ
Diameter
Bradner GMT42mm
Super Antarctic 38mm Automatic38mm
Power Reserve
Bradner GMT40h
Super Antarctic 38mm Automatic36h
Water Resistance
Bradner GMT180m
Super Antarctic 38mm Automatic100m
MSRP
Bradner GMT$299
Super Antarctic 38mm Automatic$945

Full specifications

Case

9 specs
Category
GMT
Chronograph
Diameter
42mm
38mm
Thickness
15mm
10.1mm
Lug-to-Lug
50mm
41.9mm
Lug Width
22mm
18mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Brushed + Polished
Water Resistance
180m
100m
Caseback
Solid
Engraved

Crystal & Dial

2 specs
Dial Color
Brown
Blue
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
$299
$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 Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

Nivada Grenchen Super Antarctic 38mm Automatic

Owners widely praise the Nivada Grenchen Super Antarctic 38mm Automatic's attractive 38mm case proportions and impressive build quality for its $750 price. One owner notes it performs extremely well and shows normal desk diving marks on the clasp. Accuracy figures range from +6 to +9 seconds per day. The Soprod P024 movement has a 38-hour power reserve, and one reviewer found the included rally strap mismatched. Overall, owners rate the Nivada Grenchen Super Antarctic 38mm Automatic highly for its case proportions and build quality at the price.

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