Side by side

Raven TrekkervsTimefactors Speedbird PRS-51

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.

Raven Trekker

Owners widely praise the Raven Trekker for its classic yet unique design, excellent bracelet, killer BGW9 lume, and overall value, with many finding the 39mm case size perfect and appreciating its blend of explorer and dive watch aesthetics. Reviewers and owners consistently flag the tight, play-free bezel action and the crisp, legible dial. Some owners note the Miyota 9015 movement's rotor can exhibit wobble, the crown threads can feel grindy, and the bracelet's solid end links can be difficult to reinsert, with one owner finding the 2022 bracelet too simple. Overall, owners rate the Raven Trekker highly for its exceptional value and tool-watch build at the price point.

Timefactors Speedbird PRS-51

Owners widely praise the Timefactors Speedbird PRS-51 for its flieger design, AR sapphire crystal, and value at £200. The 36mm case is noted to wear closer to 37mm due to the dial size, and while one owner describes the 5-link bracelet as well-built but stiff, another praises its drape and articulation. Accuracy figures vary among owners, with one reporting +7 seconds per day and another around +10 seconds per day, though one owner states theirs keeps impeccable time. The Miyota 9015 movement is noted by one owner to exhibit noticeable rotor wobble. Overall, owners rate the Timefactors Speedbird PRS-51 highly for its pilot watch aesthetics and value.

At a glance

8 of 29 specs differ
Diameter
Trekker39mm
Speedbird PRS-5136mm
Power Reserve
Trekker
Speedbird PRS-51
Water Resistance
Trekker200m
Speedbird PRS-51100m
MSRP
Trekker$690
Speedbird PRS-51$436

Full specifications

Case

5 specs
Diameter
39mm
36mm
Thickness
12.5mm
11.4mm
Lug-to-Lug
48mm
42mm
Lug Width
20mm
18mm
Water Resistance
200m
100m

Crystal & Dial

2 specs
Dial Color
Blue
Black
Lume
None
SuperLuminova X1-C3

Pricing

1 specs
MSRP
$690
$436
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