Side by side

Lum-Tec EclipsevsTudor Black Bay Ceramic

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

Eclipse
Lum-TecEclipse
MSRP $695
Black Bay Ceramic
TudorBlack Bay Ceramic
MSRP $6,125

At a glance

12 of 29 specs differ
Diameter
Eclipse42mm
Black Bay Ceramic41mm
Power Reserve
Eclipse40h
Black Bay Ceramic70h
Water Resistance
Eclipse101m
Black Bay Ceramic200m
MSRP
Eclipse$695
Black Bay Ceramic$6,125

Full specifications

Case

8 specs
Category
Sport
Diver
Diameter
42mm
41mm
Thickness
14.4mm
Lug-to-Lug
46mm
Lug Width
22mm
Material
316L Stainless Steel (DLC coated)
Ceramic
Water Resistance
101m
200m
Caseback
Solid
Engraved

Crystal & Dial

1 specs
Dial Color
E6
Black

Movement

2 specs
Caliber
Miyota 9039
MT5602-1U
Power Reserve
40h
70h

Pricing

1 specs
MSRP
$695
$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.

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 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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