Side by side

Timefactors Speedbird PRS-51vsVaer D5 Tropic Auto

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

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What people say

Owners + reviewers, side by side

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

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.

Vaer D5 Tropic Auto

Owners widely praise the Vaer D5 Tropic Auto for its excellent value, vintage aesthetic, and comfortable 39mm size that wears larger. Specific highlights include the bezel's satisfying click action and subtle shine, beautifully finished lugs that pair well with a jubilee bracelet, and a dynamic black and cream dial with a unique date feature. The incorporation of brushed steel, quick-release spring bars for easy strap changes, and good timekeeping are also frequently mentioned positives. The Vaer D5 Tropic Auto is considered good value with excellent water resistance, making it a great daily wear, and its fit and finish are often compared favorably to brands like Hamilton and Tissot. On balance, owners rate the Vaer D5 Tropic Auto highly for its blend of vintage styling, practical features, and strong value proposition.

From video reviewers

The dial design is a standout feature. The Miyota automatic movement is also noted.

At a glance

10 of 29 specs differ
Diameter
Speedbird PRS-5136mm
D5 Tropic Auto39mm
Power Reserve
Speedbird PRS-51
D5 Tropic Auto
Water Resistance
Speedbird PRS-51100m
D5 Tropic Auto200m
MSRP
Speedbird PRS-51$436
D5 Tropic Auto$699

Full specifications

Case

7 specs
Category
Diver
Diameter
36mm
39mm
Thickness
11.4mm
12.5mm
Lug-to-Lug
42mm
46mm
Lug Width
18mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

1 specs
Lume
SuperLuminova X1-C3
None

Movement

1 specs
Power Reserve
0h

Pricing

1 specs
MSRP
$436
$699
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