Side by side

Lum-Tec EclipsevsTudor Black Bay

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

Eclipse
Lum-TecEclipse
MSRP $695
Black Bay
TudorBlack Bay

At a glance

13 of 29 specs differ
Diameter
Eclipse42mm
Black Bay41mm
Power Reserve
Eclipse40h
Black Bay70h
Water Resistance
Eclipse101m
Black Bay200m
MSRP
Eclipse$695
Black Bay

Full specifications

Case

9 specs
Category
Sport
Diver
Diameter
42mm
41mm
Thickness
14.7mm
Lug-to-Lug
46mm
Lug Width
22mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
101m
200m
Caseback
Solid
Engraved

Crystal & Dial

1 specs
Dial Color
E6
Black

Movement

2 specs
Caliber
Miyota 9039
MT5602
Power Reserve
40h
70h

Pricing

1 specs
MSRP
$695

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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.

Lum-Tec Eclipse

Owners widely praise the Lum-Tec Eclipse for its comfortable, slim profile and thin wearability, with specific commendations for its beautiful dial, good readability, and bracelet design. The knurling on the crown is also noted as a positive feature. Some owners express concern over the 42mm case size and find the dial's font and indices unappealing, though others appreciate the deep-dish slant. One owner notes a slight gap where the lugs meet the bracelet. The Lum-Tec Eclipse e3 variant features a Miyota 9039 movement, a solid bracelet, a sunburst dial, and exceptionally bright lume. Overall, owners rate the Lum-Tec Eclipse highly for its slim design and attractive dial at its price point.

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.

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