Which is cheaper, the Spinnaker Dumas Automatic or the Horage Supersede GMT?

At MSRP the Spinnaker Dumas Automatic is the cheaper of the two at $239, against $7,270 for the Horage Supersede GMT — a $7,031 gap before any retailer discounting.

Which is bigger, the Spinnaker Dumas Automatic or the Horage Supersede GMT?

The Spinnaker Dumas Automatic wears larger at 44mm versus 39.5mm for the Horage Supersede GMT — a 4.5mm difference across the dial.

Which has better water resistance, the Spinnaker Dumas Automatic or the Horage Supersede GMT?

The Spinnaker Dumas Automatic is rated to 300m versus 200m for the Horage Supersede GMT.

Which has a longer power reserve, the Spinnaker Dumas Automatic or the Horage Supersede GMT?

The Horage Supersede GMT carries a 72-hour power reserve against 40 hours on the Spinnaker Dumas Automatic.

What movement does the Spinnaker Dumas Automatic run compared to the Horage Supersede GMT?

Both watches run automatic movements — the Spinnaker Dumas Automatic uses the SII NH35A and the Horage Supersede GMT uses the Horage K2.

Side by side

Spinnaker Dumas AutomaticvsHorage Supersede GMT

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

Spinnaker Dumas Automatic

dumas-blue-yonder-sp-5081-dd

MSRP $239

Horage Supersede GMT

supersede-gmt

MSRP $7,270

At a glance

13 of 29 specs differ

Diameter

Dumas Automatic44mm

Supersede GMT39.5mm

Power Reserve

Dumas Automatic40h

Supersede GMT72h

Water Resistance

Dumas Automatic300m

Supersede GMT200m

MSRP

Dumas Automatic$239

Supersede GMT$7,270

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Inner

Dial Color

Blue

Black

Lume

None

Super-LumiNova

Movement

3 specs

Caliber

SII NH35A

Horage K2

Power Reserve

40h

72h

Complications

None

GMT

Pricing

1 specs

MSRP

$239

$7,270

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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 Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

WatchUSeek

Horage Supersede GMT

The Horage Supersede GMT is widely praised for its innovative micro-rotor movement and impressive finishing. Owners and reviewers highlight its value as a true GMT sports watch, noting the compact 39.5mm case and 200m water resistance. The K2 movement offers a 72-hour power reserve, and updates include an optional platinum rotor, a luminous seconds hand tip, and a new micro-adjustable clasp. One potential hesitation for buyers is the inability to see the watch in person. Overall, owners and reviewers rate the Horage Supersede GMT highly for its innovative micro-rotor movement and excellent value.

From video reviewers

The Horage Supersede GMT features a unique case design that blends different styles. A notable strength is its in-house K2 micro-rotor movement. One weakness is the relatively average lume brightness.

WatchUSeek

Monochrome

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