Side by side

Oak & Oscar The Humboldt GMT TitaniumvsPhoibos Reef Master

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

The Humboldt GMT Titanium
Oak & OscarThe Humboldt GMT Titanium
MSRP $2,950
Reef Master
PhoibosReef Master
MSRP $335

At a glance

13 of 29 specs differ
Diameter
The Humboldt GMT Titanium39.5mm
Reef Master42mm
Power Reserve
The Humboldt GMT Titanium56 hoursh
Reef Master40h
Water Resistance
The Humboldt GMT Titanium200m
Reef Master200m
MSRP
The Humboldt GMT Titanium$2,950
Reef Master$335

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
39.5mm
42mm
Thickness
12.5mm
13mm
Lug-to-Lug
46.8mm
48mm
Lug Width
20mm
22mm
Material
Grade 5 Titanium
Stainless Steel
Caseback
Solid screw-down
Solid

Crystal & Dial

2 specs
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Yes

Movement

3 specs
Caliber
Sellita SW330
SII NH38
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h

Pricing

1 specs
MSRP
$2,950
$335

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