Side by side

Orient Sport WatchvsTimefactors Speedbird PRS-51

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.

Orient Sport Watch

Owners praise the Orient Sport Watch for its sapphire crystal, day and date complications, and overall value around $300, with one owner calling the red dial version the best-looking dive watch in its price range. A modern 40mm case size is noted, alongside Orient's signature power reserve indicator. One reviewer flags the use of a mineral crystal and a non-hacking, non-hand-winding automatic movement as drawbacks for the price. On balance, owners rate the Orient Sport Watch highly for its impressive value and feature set 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

16 of 29 specs differ
Diameter
Sport Watch41.9mm
Speedbird PRS-5136mm
Power Reserve
Sport Watch40h
Speedbird PRS-51
Water Resistance
Sport Watch50m
Speedbird PRS-51100m
MSRP
Sport Watch$245
Speedbird PRS-51$436

Full specifications

Case

6 specs
Diameter
41.9mm
36mm
Thickness
12mm
11.4mm
Lug-to-Lug
48mm
42mm
Lug Width
22mm
18mm
Water Resistance
50m
100m
Caseback
Display

Crystal & Dial

2 specs
Crystal
Mineral
Sapphire
Lume
None
SuperLuminova X1-C3

Movement

7 specs
Caliber
Orient F6922
Miyota 9015
Beat Rate
21,600 vph
0 vph
Power Reserve
40h
Jewels
22
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Day-date
None

Pricing

1 specs
MSRP
$245
$436
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