Side by side

Tudor Black BayvsZelos Aurora Moonphase

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

Black Bay
TudorBlack Bay
Aurora Moonphase
ZelosAurora Moonphase
MSRP $949

At a glance

12 of 29 specs differ
Diameter
Black Bay41mm
Aurora Moonphase39mm
Power Reserve
Black Bay70h
Aurora Moonphase40h
Water Resistance
Black Bay200m
Aurora Moonphase200m
MSRP
Black Bay
Aurora Moonphase$949

Full specifications

Case

8 specs
Category
Diver
Moonphase
Diameter
41mm
39mm
Thickness
14.7mm
12.5mm
Lug-to-Lug
46mm
39mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium
Finish
Polished + Satin
Brushed and polished
Caseback
Engraved
Solid

Crystal & Dial

1 specs
Dial Color
Black
Meteorite

Movement

2 specs
Caliber
MT5602
Sellita SW288
Power Reserve
70h
40h

Pricing

1 specs
MSRP
$949

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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

Owners widely praise the Tudor Black Bay for its comfortable wearability, robust build, and vintage-inspired aesthetics, with specific mentions of its satisfying winding feel and sturdy bezel action. Reviewers highlight the 39mm Black Bay 58's comfortable size and thinness, while others note the 41mm Master Chronometer's reliable timekeeping and magnetic resistance. Some owners find the GMT hand difficult to distinguish in low light. A recurring point of contention across multiple sources is the lack of on-the-fly micro-adjustment on the bracelet, though some find aftermarket solutions adequate. One owner reported the watch losing two minutes a day after six years, requiring a service. Overall, owners and reviewers rate the Tudor Black Bay highly for its blend of vintage charm, modern robustness, and comfortable wearability.

From video reviewers

The COSC-certified accuracy of the movement is a notable strength. The 14.7mm to 14.8mm thickness is cited as a potential drawback. Reviewers are divided on whether the newer models represent a departure from the Black Bay's heritage design.

Zelos Aurora Moonphase

Owners widely praise Zelos for offering excellent value, solid build quality, and enthusiast-friendly designs, with unique dial variants often selling out quickly. The Zelos Aurora Moonphase is noted as a desirable model, though finding one can be challenging. Some owners find Zelos's designs, including those of the Aurora line, to be too flashy for everyday wear, preferring a more subdued aesthetic. One owner reported their Zelos Aurora Nebula 38mm running at -5.3 seconds per day. Overall, owners rate the Zelos Aurora Moonphase highly for its desirable microbrand status and unique dial appeal.

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