Side by side

Sartory Billard SB05vsZelos Comet 39

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

Comet 39
ZelosComet 39
MSRP $2,499

At a glance

9 of 29 specs differ
Diameter
SB0538.5mm
Comet 3939mm
Power Reserve
SB0590h
Comet 3940h
Water Resistance
SB0550m
Comet 3950m
MSRP
SB05
Comet 39$2,499

Full specifications

Case

4 specs
Diameter
38.5mm
39mm
Thickness
8.5mm
7.6mm
Lug-to-Lug
45.5mm
39mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Tantalum LE

Movement

2 specs
Caliber
LJP Cal. 7380
ETA/Peseux 7001
Power Reserve
90h
40h

Pricing

1 specs
MSRP
$2,499

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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.

Sartory Billard SB05

The dial's Maki-e Raden and aventurine combination is a standout feature. The 38.5mm case size and slim profile are noted for comfort.

Zelos Comet 39

Owners widely praise the Zelos Comet 39 for its wearable 39mm size, thin profile under 10mm thanks to its manual-wind Sellita SW215 movement, and its captivating dial with a deep starburst effect. The winding action is described as a joy, and the watch is considered a stunner for its price, blending modern and vintage aesthetics. Some owners note frustration with Zelos's limited production runs leading to quick sell-outs. One owner found the logo childlike, while another experienced strap-rubbing issues with the short lugs, which were resolved with a Milanese bracelet. Overall, owners and reviewers rate the Zelos Comet 39 highly for its excellent value and striking dial design.

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