Side by side

Lum-Tec Solar MarinevsSartory Billard SB04

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

Solar Marine
Lum-TecSolar Marine
MSRP $463
SB04
Sartory BillardSB04
MSRP $2,900

At a glance

10 of 29 specs differ
Diameter
Solar Marine39mm
SB0440mm
Power Reserve
Solar Marine40h
SB0440h
Water Resistance
Solar Marine300m
SB0430m
MSRP
Solar Marine$463
SB04$2,900

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
39mm
40mm
Thickness
10.7mm
11.5mm
Lug-to-Lug
43.5mm
45.5mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
300m
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Steel
Black

Movement

1 specs
Caliber
LJP G100

Pricing

1 specs
MSRP
$463
$2,900

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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 Solar Marine

Lum-Tec Solar Marine owners praise its all-black diver design, excellent lume, and rugged, tank-like build. One owner finds it a perfect fit for a 7-inch wrist and the most frequently worn watch despite its smaller size. However, one owner cautions that the PVD coating will wear and chip within a year, impacting its appearance, and another finds the price high for a solar quartz watch with added lume. On balance, owners rate the Lum-Tec Solar Marine highly for its robust design and excellent lume, despite concerns about PVD durability and value proposition.

Sartory Billard SB04

The dial's textured finish and color shift are highlighted as a key strength. The bracelet's perceived lack of refinement and end-link fit are noted as a drawback. Reviewers disagree on the case size, with mentions of 35.9mm and 40mm.

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