Side by side

Bremont ALT1-WTvsSpinnaker Dumas GMT

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

ALT1-WT
BremontALT1-WT
MSRP $5,900
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

8 of 29 specs differ
Diameter
ALT1-WT43mm
Dumas GMT44mm
Power Reserve
ALT1-WT40h
Dumas GMT40h
Water Resistance
ALT1-WT100m
Dumas GMT300m
MSRP
ALT1-WT$5,900
Dumas GMT$399

Full specifications

Case

6 specs
Category
World Timer
GMT
Diameter
43mm
44mm
Thickness
16mm
15mm
Lug-to-Lug
48mm
Material
Titanium (DLC coated)
316L Stainless Steel
Water Resistance
100m
300m

Movement

1 specs
Caliber
BE-54AE
Seiko NH34A

Pricing

1 specs
MSRP
$5,900
$399

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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.

Bremont ALT1-WT

The Bremont ALT1-WT is widely praised for its wearable 43mm size, legible dial with a globe background, and robust hardened steel case. Reviewers and owners highlight its well-executed world timer and chronograph functions, the satisfying click of its world timer bezel, and its value for money. Some find the hands can disappear in certain light conditions, and one owner notes a slight gap between the strap and case. The Bremont ALT1-WT uses a COSC-certified ETA/Valjoux 7750-based movement with a world timer module. On balance, owners and reviewers rate the Bremont ALT1-WT highly for its practical combination of chronograph and world-time functions in a well-built, wearable package.

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.

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