Side by side
Formex Reef 39.5 mmvsWilliam Wood Extinguisher Watch
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Reef 39.5 mm39.5mm
Extinguisher Watch41mm
Power Reserve
Reef 39.5 mm56h
Extinguisher Watch40h
Water Resistance
Reef 39.5 mm300m
Extinguisher Watch100m
MSRP
Reef 39.5 mm$2,230
Extinguisher Watch$995
Full specifications
Case
6 specsDiameter
39.5mm
41mm
Thickness
11mm
15mm
Lug-to-Lug
45.5mm
49mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
Dial Color
Bahama Blue
Standard
Lume
Super-LumiNova
None
Movement
2 specsCaliber
Sellita SW300-1
Seiko NH35
Power Reserve
56h
40h
Pricing
1 specsMSRP
$2,230
$995
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