Side by side

Eza AirFightervsTimefactors Speedbird PRS-51

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

Add a watch

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

What people say

Owners + reviewers, side by side

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

Eza AirFighter

The Eza AirFighter is widely praised as a well-constructed, affordable pilot watch offering good value, featuring a legible matte black or blue dial with classic WWII-inspired markers and sword hands. Reviewers note its 41mm steel case is proportioned with short lugs, complemented by an easy-to-grip onion crown and pleasant case finishing with brushed and polished elements. One owner notes a vintage-inspired aesthetic with a font and tilt reminiscent of certain vintage watches. The Eza AirFighter uses a Sellita SW200-1 movement. Overall, owners and reviewers rate the Eza AirFighter highly for its design, build quality, and value proposition.

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

9 of 29 specs differ
Diameter
AirFighter41mm
Speedbird PRS-5136mm
Power Reserve
AirFighter40h
Speedbird PRS-51
Water Resistance
AirFighter50m
Speedbird PRS-51100m
MSRP
AirFighter$1,175
Speedbird PRS-51$436

Full specifications

Case

5 specs
Diameter
41mm
36mm
Thickness
12.3mm
11.4mm
Lug-to-Lug
48mm
42mm
Lug Width
22mm
18mm
Water Resistance
50m
100m

Crystal & Dial

1 specs
Lume
None
SuperLuminova X1-C3

Movement

2 specs
Caliber
Sellita SW200-1
Miyota 9015
Power Reserve
40h

Pricing

1 specs
MSRP
$1,175
$436
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.

DiscussionNot started
Adjacent matchups

People also compared

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