Side by side

Spinnaker Dumas AutomaticvsTudor Black Bay 58 18K

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

Dumas Automatic
SpinnakerDumas Automatic
MSRP $239
Black Bay 58 18K
TudorBlack Bay 58 18K
MSRP $22,550

At a glance

19 of 29 specs differ
Diameter
Dumas Automatic44mm
Black Bay 58 18K39mm
Power Reserve
Dumas Automatic40h
Black Bay 58 18K70h
Water Resistance
Dumas Automatic300m
Black Bay 58 18K200m
MSRP
Dumas Automatic$239
Black Bay 58 18K$22,550

Full specifications

Case

8 specs
Diameter
44mm
39mm
Thickness
15mm
12.7mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
18k Yellow Gold
Finish
Brushed and polished
Satin
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Blue
Green
Indices
Applied

Movement

6 specs
Caliber
SII NH35A
MT5400
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$239
$22,550

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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.

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.

Tudor Black Bay 58 18K

Owners appreciate the substantial feel of the 18K gold Tudor Black Bay 58 on the wrist, with reviewers noting the brushed gold finishing and 39mm case size. The watch is powered by the COSC-certified Manufacture Caliber MT5400 with a 70-hour power reserve, visible through an open caseback. Sources offer differing price points, ranging from $16,800 to $32,100 depending on the strap or bracelet. Some reviewers criticize the brushed finish for diminishing the visual luxury of gold and find the green dial and bezel color combination divisive or lacking charisma. Overall, owners and reviewers find the Tudor Black Bay 58 18K to be an ambitious, albeit divisive, precious metal sports watch, with praise for its substantial feel and brushed gold finishing.

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