Side by side

Momentum Atlas Eclipse Solar 38vsTimefactors Speedbird GMT

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

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Momentum Atlas Eclipse Solar 38

Owners widely praise the Momentum Atlas Eclipse Solar 38 for its perfect 38mm size, lightweight titanium case, and excellent readability with its pilot-style dial and simple layout. The solar-powered quartz movement is appreciated for its quick charging and low maintenance, with one owner noting better lume than a previous Tissot. The watch is frequently described as a comfortable, no-frills daily wear or GADA watch that disappears on the wrist. Some owners find the branding excessive, the original leather strap stiff, and the bracelet cheap-feeling with limited adjustment. One owner reported a faulty solar movement requiring service, and another noted a small piece of fluff inside the case. Overall, owners rate the Momentum Atlas Eclipse Solar 38 highly for its comfortable wearability and value as a solar-powered field watch.

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
Atlas Eclipse Solar 3838mm
Speedbird GMT36mm
Power Reserve
Atlas Eclipse Solar 38
Speedbird GMT
Water Resistance
Atlas Eclipse Solar 38100m
Speedbird GMT100m
MSRP
Atlas Eclipse Solar 38$235
Speedbird GMT$315

Full specifications

Case

5 specs
Diameter
38mm
36mm
Thickness
0mm
11.6mm
Lug-to-Lug
0mm
42.5mm
Lug Width
20mm
18mm
Material
Titanium
Stainless Steel

Crystal & Dial

2 specs
Dial Color
Black
Lume
None
Super Luminova X1 C3

Movement

3 specs
Caliber
Epson VS42
Ronda 515
Type
Solar
Quartz
Power Reserve
0h

Pricing

1 specs
MSRP
$235
$315
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