Side by side

Sternglas SediusvsSpinnaker Dumas GMT

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

Sedius
SternglasSedius
MSRP $301
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

13 of 29 specs differ
Diameter
Sedius40mm
Dumas GMT44mm
Power Reserve
Sedius
Dumas GMT40h
Water Resistance
Sedius50m
Dumas GMT300m
MSRP
Sedius$301
Dumas GMT$399

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
40mm
44mm
Thickness
8mm
15mm
Lug-to-Lug
47mm
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
300m

Crystal & Dial

1 specs
Dial Color
Blue

Movement

4 specs
Caliber
TMI VH31
Seiko NH34A
Type
Quartz
Automatic
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$301
$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.

Sternglas Sedius

The Sternglas Sedius is widely praised for its harmonious blend of Bauhaus minimalism and Art Deco elegance, featuring a well-balanced sector dial and a smooth-sweeping seconds hand from its Seiko VH31 meca-quartz movement. Owners and reviewers note its pleasing wearability due to the case shape and slender lugs, and it is considered an affordable option with a good price-performance ratio. One reviewer flags legibility issues on the black dial variant, while the blue-on-white offers crispness. The Sternglas Sedius lacks a date complication and features a double-domed sapphire crystal. Overall, owners and reviewers rate the Sternglas Sedius highly for its classy Art Deco aesthetic and value.

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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