Side by side

Spinnaker Dumas AutomaticvsTimefactors PRS-29A

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

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-29A

Owners widely praise the Timefactors PRS-29A for its excellent value, faithful reissue design, and compact 36mm case. The manual-wind ETA 2801-2 movement, 100m water resistance, and anti-magnetic properties are frequently highlighted as functional strengths, making it a popular grab-and-go or travel watch. Some owners note the shiny hands can blend into the dial, and one owner reports accuracy around +5 seconds per day. A desire for a screw-down crown for enhanced water resistance and poor lume are also mentioned. Overall, owners rate the Timefactors PRS-29A highly for its historical accuracy and robust build at its price point.

At a glance

13 of 29 specs differ
Diameter
Dumas Automatic44mm
PRS-29A36mm
Power Reserve
Dumas Automatic
PRS-29A
Water Resistance
Dumas Automatic300m
PRS-29A100m
MSRP
Dumas Automatic$239
PRS-29A$544

Full specifications

Case

7 specs
Category
Diver
Diameter
44mm
36mm
Thickness
15mm
11.1mm
Lug-to-Lug
48mm
46.8mm
Lug Width
22mm
18mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Blue
Black
Lume
None
SuperLuminova C3

Movement

3 specs
Caliber
NH35
ETA 2801-2
Type
Automatic
Manual
Power Reserve
0h

Pricing

1 specs
MSRP
$239
$544
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