Side by side

Fortis Novonaut N-42vsZelos Comet 39

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

Novonaut N-42
FortisNovonaut N-42
MSRP $5,230
Comet 39
ZelosComet 39
MSRP $2,499

At a glance

14 of 29 specs differ
Diameter
Novonaut N-4242mm
Comet 3939mm
Power Reserve
Novonaut N-4260h
Comet 3940h
Water Resistance
Novonaut N-42300m
Comet 3950m
MSRP
Novonaut N-42$5,230
Comet 39$2,499

Full specifications

Case

7 specs
Category
Chronograph
Dress
Diameter
42mm
39mm
Thickness
14.6mm
7.6mm
Lug-to-Lug
39mm
Lug Width
21mm
20mm
Material
Titanium / Stainless Steel
316L Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Titanium Legacy
Tantalum LE

Movement

4 specs
Caliber
Manufacture Caliber WERK 17
ETA/Peseux 7001
Type
Automatic
Manual
Power Reserve
60h
40h
Jewels
36
25

Pricing

1 specs
MSRP
$5,230
$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.

Fortis Novonaut N-42

Owners widely praise the Fortis B-42 Official Cosmonauts for its stunning fit and finish, excellent legibility, and a precise, grippy bezel, with one owner calling its bracelet the nicest they've ever owned. The Fortis Novonaut N-42 is described as a flawless beast with a WERK 17 column-wheel chronograph movement, featuring enhanced shock resistance and COSC adjustment, and is noted as a handsome tool watch with a beautiful dial and nice pusher action. However, the 42mm case of the B-42 wears larger than expected, and the Novonaut's 44mm case and chunky bracelet make it too large and heavy for many. The Fortis Titanium Legacy is a modern pilot's watch with a titanium case and bracelet, featuring a Kenissi WERK 13 movement with a 70-hour power reserve and three time zones. Overall, owners and reviewers highly regard the Fortis Titanium Legacy for its robust tool watch design and advanced movement technology, despite some concerns about case size and bracelet adjustability.

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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