Side by side

Formex Reef 39.5 mmvsZelos Artemis

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

Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230
Artemis
ZelosArtemis
MSRP $1,899

At a glance

13 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
Artemis40mm
Power Reserve
Reef 39.5 mm56h
Artemis40h
Water Resistance
Reef 39.5 mm300m
Artemis50m
MSRP
Reef 39.5 mm$2,230
Artemis$1,899

Full specifications

Case

7 specs
Category
Diver
Skeleton
Diameter
39.5mm
40mm
Thickness
11mm
10.2mm
Lug-to-Lug
45.5mm
40mm
Lug Width
22mm
24mm
Material
Stainless Steel
Titanium
Water Resistance
300m
50m

Crystal & Dial

2 specs
Dial Color
Bahama Blue
Titanium
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW300-1
Swiss Skeletonised Marvin 700
Type
Automatic
Manual
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,230
$1,899

Follow this matchup

Get a note when Formex Reef 39.5 mm vs Zelos Artemis gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Formex Reef 39.5 mm

The Formex Reef 39.5 mm is widely praised for its refined finishing, comfortable and well-proportioned case design, and impressive specifications for its price point, including COSC-certified Sellita SW300-1 movement and 300m water resistance. Owners and reviewers highlight the tool-less micro-adjust clasp and quick-release spring bars as practical features. Some reviewers note that the 22mm lug width feels slightly disproportionate to the smaller case, and the bracelet could benefit from more taper, though this is a point of contention for some owners who value the overall package. A prototype crown protrusion issue is noted as being addressed for production. On balance, owners and reviewers rate the Formex Reef 39.5 mm highly for its excellent value and well-executed design.

Zelos Artemis

The watch's unique modular case construction with a sandblasted titanium outer case and a grey/white Cerakote coating on the center is a notable strength. The FKM rubber strap can be prone to a slight rattle, which may be a minor annoyance for some owners. Reviewers disagree on the watch's value proposition, with one reviewer questioning its value for collectors.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.