Side by side

AVI-8 P-51 Mustang Blakeslee Meca-Quartz ChronographvsFormex Reef GMT

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

P-51 Mustang Blakeslee Meca-Quartz Chronograph
AVI-8P-51 Mustang Blakeslee Meca-Quartz Chronograph
MSRP $315
Reef GMT
FormexReef GMT
MSRP $2,235

At a glance

13 of 29 specs differ
Diameter
P-51 Mustang Blakeslee Meca-Quartz Chronograph43mm
Reef GMT42mm
Power Reserve
P-51 Mustang Blakeslee Meca-Quartz Chronograph40h
Reef GMT56h
Water Resistance
P-51 Mustang Blakeslee Meca-Quartz Chronograph50m
Reef GMT300m
MSRP
P-51 Mustang Blakeslee Meca-Quartz Chronograph$315
Reef GMT$2,235

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
43mm
42mm
Thickness
13mm
11.4mm
Lug-to-Lug
51mm
47mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
300m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
Dial Color
COMMAND PILOT
Black
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
Sellita SW330-2
Type
Quartz
Automatic
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$315
$2,235

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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.

AVI-8 P-51 Mustang Blakeslee Meca-Quartz Chronograph

Owners widely praise the AVI-8 P-51 Mustang Blakeslee Meca-Quartz Chronograph for its vintage-inspired, cockpit instrument aesthetic and the functional meca-quartz chronograph movement. The blue dial is described as stunning with depth, and the aviation-style numerals and brushed steel case contribute to its look. One owner notes the non-sapphire crystal scratches easily, and another criticizes the highly reflective crystal and poor lume. On balance, owners rate the AVI-8 P-51 Mustang Blakeslee Meca-Quartz Chronograph highly for its collectible aviation tribute design and satisfying meca-quartz chronograph function.

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.

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