Side by side

Timefactors PRS-40vsTimefactors Speedbird GMT

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

PRS-40
TimefactorsPRS-40
MSRP $315
Speedbird GMT
TimefactorsSpeedbird GMT
MSRP $315
What people say

Owners + reviewers, side by side

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

Timefactors PRS-40

Owners widely praise the Timefactors PRS-40 for its unique, "badass" and rugged, futuristic design, with many highlighting the 12 o'clock crown as a distinctive and appreciated feature. The bead-blasted finish is noted to show light marks but resists deep scratches, and the sapphire crystal is considered good. While some owners find the 40.2mm case size acceptable, others describe the watch as large and wearing big, though it is noted to wear thinner than an automatic version. The fixed lugs necessitate the use of NATO straps, and the included strap is well-regarded. On balance, owners rate the Timefactors PRS-40 highly for its distinctive, bombproof design and unique crown placement at an accessible price point.

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

8 of 29 specs differ
Diameter
PRS-4040.2mm
Speedbird GMT36mm
Power Reserve
PRS-4040h
Speedbird GMT
Water Resistance
PRS-40100m
Speedbird GMT100m
MSRP
PRS-40$315
Speedbird GMT$315

Full specifications

Case

4 specs
Diameter
40.2mm
36mm
Thickness
12.25mm
11.6mm
Lug-to-Lug
53.5mm
42.5mm
Lug Width
22mm
18mm

Crystal & Dial

1 specs
Lume
SuperLuminova C3
Super Luminova X1 C3

Movement

3 specs
Caliber
Seiko VK61
Ronda 515
Type
Mecaquartz
Quartz
Power Reserve
40h
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Timefactors PRS-40 vs Timefactors Speedbird GMT gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.