Orient AC0Q-40 DivervsFormex Reef 39.5 mm

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Orient AC0Q-40 Diver at true scale

AC0Q-40 Diver

Formex Reef 39.5 mm at true scale

Reef 39.5 mm

Diameter

39.9mm

39.5mm

Lug-to-Lug

46.5mm

45.5mm

lowest

Thickness

12.8mm

11mm

lowest

Water Resistance

200m

300m

highest

Power Reserve

40h

56h

highest

MSRP

$370

lowest

$2,230

Movement

Orient F6722

Sellita SW300-1

Case

5 specs
Diameter
39.9mm
39.5mm
Thickness
12.8mm
11mm
Lug-to-Lug
46.5mm
45.5mm
Lug Width
20mm
22mm
Water Resistance
200m
300m

Crystal & Dial

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

Movement

7 specs
Caliber
Orient F6722
Sellita SW300-1
Beat Rate
21,600 vph
0 vph
Power Reserve
40h
56h
Jewels
22
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Date
None

Pricing

1 specs
MSRP
$370
$2,230
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Reviews

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

Orient AC0Q-40 Diver

Owners praise the Orient AC0Q-40 Diver Watch for its value, sapphire crystal, and durable build quality, with many appreciating the 39.9mm case size for its smaller, trendy appeal and the raw steel bezel for a vintage look. The bracelet features folded end links, and while the in-house automatic Orient F6722 movement is considered a good workhorse, the watch is not ISO certified for diving, though suitable for swimming. Unless a purple dial is specifically desired, other color options are recommended. On balance, owners rate the Orient AC0Q-40 Diver Watch highly for its appealing design and value proposition in a compact package.

Formex Reef 39.5 mm

The Formex Reef 39.5 mm is widely praised for its refined finishing, improved proportions, and compelling value under €2,000. Owners and reviewers highlight its comfortable wearability on smaller wrists, unique aesthetic, and impressive specifications including 300m water resistance and a COSC-certified Sellita SW300-1 movement. Some note the 22mm lug width feels slightly disproportionate and the bracelet could benefit from more taper. A prototype crown protrusion issue is expected to be resolved in production. Overall, owners rate the Formex Reef 39.5 mm highly for its excellent build quality and tool-like features at its price point.

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