Side by side

Formex Reef GMTvsZelos Blacktip 200m Ti

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

Reef GMT
FormexReef GMT
MSRP $2,235
Blacktip 200m Ti
ZelosBlacktip 200m Ti
MSRP $599

At a glance

13 of 29 specs differ
Diameter
Reef GMT42mm
Blacktip 200m Ti41mm
Power Reserve
Reef GMT56h
Blacktip 200m Ti40h
Water Resistance
Reef GMT300m
Blacktip 200m Ti200m
MSRP
Reef GMT$2,235
Blacktip 200m Ti$599

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
42mm
41mm
Thickness
11.4mm
12mm
Lug-to-Lug
47mm
41mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Aventurine
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW330-2
Miyota 9015
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,235
$599

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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.

Formex Reef GMT

The Formex Reef GMT is widely praised for its unique porthole case shape, COSC-certified Sellita SW330-2 movement with good finishing, and comfortable quick-release bracelet with on-the-fly micro-adjustment. Reviewers note its robust construction, impressive specifications, and strong value proposition, with a slim 11.4mm profile accommodating 300m water resistance and an exhibition caseback. However, owners widely report the 53mm lug-to-lug span with male endlinks makes it too large for smaller wrists. Some find the bezel action stiff and potentially slippery, and a reviewer desired sharper finishing and edges, deeming the aesthetic too modernist. The GMT variant sacrifices a timing bezel unless swapped, and one owner notes sharp edges on the crown and crown guard. Overall, owners and reviewers highly rate the Formex Reef GMT for its exceptional value and well-executed features, particularly its bracelet system and COSC-certified movement.

From video reviewers

The watch features a COSC-certified SW330-2 GMT movement, which is visible through a sapphire crystal display case back and beautifully decorated. The watch's water-resistance of up to 300m/1000ft is a notable feature. The 42mm diameter may be too large for smaller wrists.

Zelos Blacktip 200m Ti

Owners widely praise the Zelos Blacktip 200m Ti for its value, titanium construction, and unique dial options, with many appreciating its comfortable 41mm size and angled lugs. The Miyota 9015 movement is noted for its dual lume and smooth winding, while the bezel action is described as having firm clicks with a slight return. Some owners find the metal bracelet uncomfortable, preferring alternative straps, and one dislikes the font used on the GMT variant. On balance, owners rate the Zelos Blacktip 200m Ti highly for its striking design and comfortable wearability at its price point.

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