Side by side

Timefactors PRS-36vsTimefactors Speedbird PRS-51

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

PRS-36
TimefactorsPRS-36
MSRP $530
Speedbird PRS-51
TimefactorsSpeedbird PRS-51
MSRP $436
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-36

Owners widely praise the Timefactors PRS-36 for its classy vintage styling, comfortable thin cushion case, and brushed aluminum dial. The Peseux 7040 hand-winding movement and 37mm case size are noted, with one owner finding it wears larger than expected. The included strap and buckle are frequently cited as undesirable, with owners opting for replacements. Overall, owners rate the Timefactors PRS-36 highly for its vintage aesthetics and comfortable wearability at its 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

10 of 29 specs differ
Diameter
PRS-3637mm
Speedbird PRS-5136mm
Power Reserve
PRS-36
Speedbird PRS-51
Water Resistance
PRS-3650m
Speedbird PRS-51100m
MSRP
PRS-36$530
Speedbird PRS-51$436

Full specifications

Case

5 specs
Diameter
37mm
36mm
Thickness
10.5mm
11.4mm
Lug-to-Lug
44.8mm
42mm
Lug Width
20mm
18mm
Water Resistance
50m
100m

Crystal & Dial

2 specs
Dial Color
Silver
Black
Lume
SuperLuminova C3
SuperLuminova X1-C3

Movement

2 specs
Caliber
Peseux 7040
Miyota 9015
Type
Manual
Automatic

Pricing

1 specs
MSRP
$530
$436
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