Side by side

Formex Reef 39.5 mmvsZelos Blacktip 200m GMT

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
Blacktip 200m GMT
ZelosBlacktip 200m GMT
MSRP $499

At a glance

13 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
Blacktip 200m GMT41mm
Power Reserve
Reef 39.5 mm56h
Blacktip 200m GMT40h
Water Resistance
Reef 39.5 mm300m
Blacktip 200m GMT200m
MSRP
Reef 39.5 mm$2,230
Blacktip 200m GMT$499

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
39.5mm
41mm
Thickness
11mm
13mm
Lug-to-Lug
45.5mm
41mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Bahama Blue
MOP
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW300-1
Seiko NH34 GMT
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,230
$499

Follow this matchup

Get a note when Formex Reef 39.5 mm vs Zelos Blacktip 200m GMT 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 Blacktip 200m GMT

Owners widely praise the Zelos Blacktip 200m GMT's solid bracelet construction and excellent bezel action. The watch has sold out quickly, indicating strong demand. Overall, owners rate the Zelos Blacktip 200m GMT highly for its robust build and desirable availability.

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.