Side by side

Spinnaker Dumas AutomaticvsTudor Black Bay Ceramic

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

Dumas Automatic
SpinnakerDumas Automatic
MSRP $239
Black Bay Ceramic
TudorBlack Bay Ceramic
MSRP $6,125

At a glance

10 of 29 specs differ
Diameter
Dumas Automatic44mm
Black Bay Ceramic41mm
Power Reserve
Dumas Automatic40h
Black Bay Ceramic70h
Water Resistance
Dumas Automatic300m
Black Bay Ceramic200m
MSRP
Dumas Automatic$239
Black Bay Ceramic$6,125

Full specifications

Case

6 specs
Diameter
44mm
41mm
Thickness
15mm
14.4mm
Lug-to-Lug
48mm
46mm
Material
316L Stainless Steel
Ceramic
Water Resistance
300m
200m
Caseback
Solid
Engraved

Crystal & Dial

1 specs
Dial Color
Blue
Black

Movement

2 specs
Caliber
SII NH35A
MT5602-1U
Power Reserve
40h
70h

Pricing

1 specs
MSRP
$239
$6,125

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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 Ceramic

The Tudor Black Bay Ceramic's matte ceramic case and bracelet offer a stealthy, scratch-proof aesthetic that shifts from anthracite to gray in light. Reviewers note its comfortable wearability, with one highlighting improved comfort over steel versions, and praise the METAS-certified MT5602-U movement. However, the sandblasted finishing is described as lacking contrast, and the bracelet's butterfly clasp omits on-the-fly adjustment. The PVD-treated steel bezel ring is also flagged as a potential wear-and-tear vulnerability. On balance, reviewers find the Tudor Black Bay Ceramic appealing for its unique ceramic construction and durable, stealthy finish, despite some functional limitations.

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