Side by side

Sternglas SediusvsTimefactors Speedbird GMT

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

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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.

Timefactors Speedbird GMT

Owners widely praise the Timefactors Speedbird GMT for its quality and value, with many appreciating its 36mm case size for wearability and its surprisingly good bracelet. Some owners note the GMT function is on an inner ring, and one owner found the date wheel sunken. The watch is noted for its classic aesthetic and is considered a good value, though purchasing requires patience due to limited order windows. Overall, owners rate the Timefactors Speedbird GMT highly for its wearability and value at the price point.

At a glance

11 of 29 specs differ
Diameter
Sedius40mm
Speedbird GMT36mm
Power Reserve
Sedius
Speedbird GMT
Water Resistance
Sedius50m
Speedbird GMT100m
MSRP
Sedius$301
Speedbird GMT$315

Full specifications

Case

6 specs
Category
Dress
Diameter
40mm
36mm
Thickness
8mm
11.6mm
Lug-to-Lug
47mm
42.5mm
Lug Width
20mm
18mm
Water Resistance
50m
100m

Crystal & Dial

2 specs
Dial Color
Black
Lume
None
Super Luminova X1 C3

Movement

2 specs
Caliber
Seiko VH31
Ronda 515
Jewels
0

Pricing

1 specs
MSRP
$301
$315
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