Side by side

Spinnaker Dumas AutomaticvsTudor Black Bay 58 925

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

Dumas Automatic
SpinnakerDumas Automatic
MSRP $239
Black Bay 58 925
TudorBlack Bay 58 925
MSRP $5,600

At a glance

19 of 29 specs differ
Diameter
Dumas Automatic44mm
Black Bay 58 92539mm
Power Reserve
Dumas Automatic40h
Black Bay 58 92570h
Water Resistance
Dumas Automatic300m
Black Bay 58 925200m
MSRP
Dumas Automatic$239
Black Bay 58 925$5,600

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
Stainless Steel
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
Taupe
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
$5,600

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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 58 925

The Tudor Black Bay 58 925 is praised for its unique taupe dial and bezel, and COSC-certified movement. Owners widely report the silver case scratches and dings more easily than steel, and some experience tarnishing despite anti-tarnishing claims, though it can be cleaned with an eraser or silver cloth. While some find the leather strap uncomfortable due to weight imbalance, others consider it suitable. The dial can appear washed out in certain lighting, and one owner notes the long springbar can scratch the case if it pops out. On balance, owners and reviewers appreciate the Tudor Black Bay 58 925 for its unique silver case and taupe dial, despite concerns about scratching and tarnishing.

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