Side by side

Tudor Black Bay CeramicvsZelos Spearfish GMT

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

Black Bay Ceramic
TudorBlack Bay Ceramic
MSRP $6,125
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

11 of 29 specs differ
Diameter
Black Bay Ceramic41mm
Spearfish GMT40mm
Power Reserve
Black Bay Ceramic70h
Spearfish GMT40h
Water Resistance
Black Bay Ceramic200m
Spearfish GMT200m
MSRP
Black Bay Ceramic$6,125
Spearfish GMT$999

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
41mm
40mm
Thickness
14.4mm
13mm
Lug-to-Lug
46mm
40mm
Lug Width
22mm
20mm
Material
Ceramic
316L Stainless Steel
Caseback
Engraved
Solid

Crystal & Dial

1 specs
Dial Color
Black
Frost

Movement

2 specs
Caliber
MT5602-1U
Sellita SW330-2
Power Reserve
70h
40h

Pricing

1 specs
MSRP
$6,125
$999

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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.

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.

Zelos Spearfish GMT

The Zelos Spearfish GMT is widely praised for its exceptional value, with reviewers highlighting its superb finishing, flawless machining, and a tool-less micro-adjustment clasp that exceeds its price point. It features a La Joux-Perret G100 movement with a 68-hour power reserve, achieving an average accuracy of +2.6 seconds per day, or a Miyota 9075 movement offering flier-style GMT functionality. The 40mm case and bidirectional 48-click ceramic bezel are well-executed, though one reviewer noted a minor compromise in the end link fit. Overall, owners and reviewers rate the Zelos Spearfish GMT highly for its impressive finishing and value proposition.

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