Side by side

Ferro AGL 2 AutomaticvsTimefactors 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.

Ferro AGL 2 Automatic

Owners widely praise the Ferro AGL 2 Automatic for its well-executed microbrand design, featuring a color-matched big date complication at 12 o'clock and sandwiched indices with superluminova. The watch is noted for its 42mm brushed stainless steel case, 11mm thickness, double-domed sapphire crystal, and a grippy onion crown with a smooth locking mechanism. It offers 100m water resistance and comes with an Italian leather strap, all powered by a Swiss Ronda 5040B quartz chronograph movement. On balance, owners rate the Ferro AGL 2 Automatic highly for its impressive feature set and finishing at the $200 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

11 of 29 specs differ
Diameter
AGL 2 Automatic42mm
Speedbird PRS-5136mm
Power Reserve
AGL 2 Automatic
Speedbird PRS-51
Water Resistance
AGL 2 Automatic50m
Speedbird PRS-51100m
MSRP
AGL 2 Automatic$695
Speedbird PRS-51$436

Full specifications

Case

7 specs
Category
Sport
Diameter
42mm
36mm
Thickness
11mm
11.4mm
Lug-to-Lug
48mm
42mm
Lug Width
22mm
18mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Lume
None
SuperLuminova X1-C3

Movement

1 specs
Power Reserve
0h

Pricing

1 specs
MSRP
$695
$436
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