Side by side

Spinnaker Dumas AutomaticvsTimefactors PRS-40

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

Dumas Automatic
SpinnakerDumas Automatic
MSRP $239
PRS-40
TimefactorsPRS-40
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.

Spinnaker Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

Timefactors PRS-40

Owners widely praise the Timefactors PRS-40 for its unique, "badass" and rugged, futuristic design, with many highlighting the 12 o'clock crown as a distinctive and appreciated feature. The bead-blasted finish is noted to show light marks but resists deep scratches, and the sapphire crystal is considered good. While some owners find the 40.2mm case size acceptable, others describe the watch as large and wearing big, though it is noted to wear thinner than an automatic version. The fixed lugs necessitate the use of NATO straps, and the included strap is well-regarded. On balance, owners rate the Timefactors PRS-40 highly for its distinctive, bombproof design and unique crown placement at an accessible price point.

At a glance

11 of 29 specs differ
Diameter
Dumas Automatic44mm
PRS-4040.2mm
Power Reserve
Dumas Automatic40h
PRS-4040h
Water Resistance
Dumas Automatic300m
PRS-40100m
MSRP
Dumas Automatic$239
PRS-40$315

Full specifications

Case

6 specs
Category
Diver
Diameter
44mm
40.2mm
Thickness
15mm
12.25mm
Lug-to-Lug
48mm
53.5mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Blue
Black
Lume
None
SuperLuminova C3

Movement

2 specs
Caliber
Seiko NH35
Seiko VK61
Type
Automatic
Mecaquartz

Pricing

1 specs
MSRP
$239
$315
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