Side by side

Orient HeliosvsTimefactors SMITHS NATO PRS-40 AUTOMATIC

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

Helios
OrientHelios
MSRP $335
SMITHS NATO PRS-40 AUTOMATIC
TimefactorsSMITHS NATO PRS-40 AUTOMATIC
MSRP $315
What people say

Owners + reviewers, side by side

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

Orient Helios

The Orient Helios is widely praised for its vibrant dial, open-heart design, and excellent value for money, with owners noting its great finish and quality that exceeds its price point. The watch is described as attractive and stylish, with a thin profile that wears comfortably, though some owners wish it were smaller. Accuracy figures vary, with one owner reporting it consistently runs 5-6 seconds fast per day, while another sees it at 1-2 seconds fast. Opinions are split on the inclusion of a date window, with some finding it desirable for practicality and aesthetic balance, while others prefer its absence. The stock bracelet receives mixed reviews, with one owner finding it awkward and upgrading to a strap, while another considers it nice with a smooth finish and solid links. Overall, owners rate the Orient Helios highly for its mesmerizing open-heart dial and impressive quality at an attainable price.

Timefactors SMITHS NATO PRS-40 AUTOMATIC

Owners widely praise the Timefactors SMITHS NATO PRS-40 AUTOMATIC for its unique, "badass," rugged, and futuristic design, with some finding its "ugly" aesthetic appealing for its bombproof nature. The Seiko 6R15 movement winds smoothly and operates quietly, and the watch features 100m water resistance and a flat sapphire crystal. The 12 o'clock crown is noted as easy to use by rolling, and the fixed lugs necessitate NATO straps. Some owners report issues with Timefactors' ordering system and customer service, and one found a speck of dust under the crystal, though another noted no imperfections. Overall, owners rate the Timefactors SMITHS NATO PRS-40 AUTOMATIC highly for its distinctive "beater" watch build and unique aesthetic at the price.

At a glance

17 of 29 specs differ
Diameter
Helios40.5mm
SMITHS NATO PRS-40 AUTOMATIC40.2mm
Power Reserve
Helios40h
SMITHS NATO PRS-40 AUTOMATIC50h
Water Resistance
Helios30m
SMITHS NATO PRS-40 AUTOMATIC100m
MSRP
Helios$335
SMITHS NATO PRS-40 AUTOMATIC$315

Full specifications

Case

7 specs
Category
Diameter
40.5mm
40.2mm
Thickness
12mm
12.25mm
Lug-to-Lug
47mm
54.7mm
Lug Width
21mm
22mm
Water Resistance
30m
100m
Caseback
Display
Solid

Crystal & Dial

5 specs
Crystal
Mineral
Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Green
Indices
Applied

Movement

4 specs
Caliber
FT622
6R15
Beat Rate
21,600 vph
28,800 vph
Power Reserve
40h
50h
Jewels
22
25

Pricing

1 specs
MSRP
$335
$315
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