Invicta Pro Diver 8927OBvsFormex 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.

Invicta Pro Diver 8927OB at true scale

Pro Diver 8927OB

Formex Reef 39.5 mm at true scale

Reef 39.5 mm

Diameter

40mm

39.5mm

Lug-to-Lug

n/a

45.5mm

Thickness

n/a

11mm

Water Resistance

200m

300m

highest

Power Reserve

n/a

56h

MSRP

n/a

$2,230

Movement

Seiko NH35

Sellita SW300-1

Case

5 specs
Diameter
40mm
39.5mm
Thickness
n/a
11mm
Lug-to-Lug
n/a
45.5mm
Lug Width
20mm
22mm
Water Resistance
200m
300m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
Dial Color
n/a
Bahama Blue
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Seiko NH35
Sellita SW300-1
Power Reserve
0h
56h

Pricing

1 specs
MSRP
n/a
$2,230
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Reviews

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

Invicta Pro Diver 8927OB

Owners widely praise the Invicta Pro Diver 8927OB for its exceptional value, reliable Seiko NH35 automatic movement, and solid construction. The 40mm stainless steel case is noted as comfortable, particularly for wrists around 19cm, and the bracelet is described as comfortable and solid. The bezel action receives specific commendation for its tight, precise clicks with minimal play. One owner reports using the watch for recreational scuba diving to 130ft without issue. A single owner noted the watch runs a little fast. Overall, owners rate the Invicta Pro Diver 8927OB highly for its impressive build quality and reliable performance at its accessible price point.

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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