Side by side

Spinnaker Cahill AutomaticvsTudor Black Bay Ceramic

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

Cahill Automatic
SpinnakerCahill Automatic
MSRP $350
Black Bay Ceramic
TudorBlack Bay Ceramic
MSRP $6,125

At a glance

9 of 29 specs differ
Diameter
Cahill Automatic42mm
Black Bay Ceramic41mm
Power Reserve
Cahill Automatic40h
Black Bay Ceramic70h
Water Resistance
Cahill Automatic200m
Black Bay Ceramic200m
MSRP
Cahill Automatic$350
Black Bay Ceramic$6,125

Full specifications

Case

5 specs
Diameter
42mm
41mm
Thickness
13.7mm
14.4mm
Lug-to-Lug
51mm
46mm
Material
316L Stainless Steel
Ceramic
Caseback
Solid
Engraved

Crystal & Dial

1 specs
Dial Color
Green
Black

Movement

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

Pricing

1 specs
MSRP
$350
$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 Cahill Automatic

Owners widely praise the Spinnaker Cahill Automatic for its attractive vintage-inspired design, comfortable wearability on smaller wrists, and good timekeeping, with one owner specifically noting the large "maxi" indices and NATO strap as highlights. However, some find the lume application uneven and note the use of a mineral crystal. A significant concern raised by one owner is a report of internal component failures and a perceived lack of quality control within the brand. On balance, the Spinnaker Cahill Automatic is well-regarded by owners for its style and value, particularly at specific price points, despite some noted manufacturing inconsistencies.

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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