Side by side

Formex Reef 39.5 mmvsSheffield GMT

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

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Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230
GMT
SheffieldGMT
Buy from Formex ↗
Buy used on eBay ↗
Buy from Sheffield ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
GMT40mm
Power Reserve
Reef 39.5 mm56h
GMT—
Water Resistance
Reef 39.5 mm300m
GMT200m
MSRP
Reef 39.5 mm$2,230
GMT—

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
39.5mm
40mm
Thickness
11mm
13mm
Lug-to-Lug
45.5mm
48mm
Lug Width
22mm
20mm
Water Resistance
300m
200m

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$2,230
—
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