Side by side
Phoibos Reef MastervsOrient AK04 Field Sport Watch
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Reef Master42mm
AK04 Field Sport Watch42.4mm
Power Reserve
Reef Master40h
AK04 Field Sport Watch40h
Water Resistance
Reef Master200m
AK04 Field Sport Watch100m
MSRP
Reef Master$335
AK04 Field Sport Watch$325
Full specifications
Case
5 specsCategory
Diver
—
Diameter
42mm
42.4mm
Thickness
13mm
12.2mm
Lug-to-Lug
48mm
49.5mm
Water Resistance
200m
100m
Crystal & Dial
6 specsCrystal
Sapphire
Mineral
Crystal Shape
Flat
—
AR Coating
Yes
—
Dial Color
Green
Blue
Indices
Applied
—
Lume
Super-LumiNova
None
Movement
4 specsCaliber
SII NH38
F6B22
Beat Rate
28,800 vph
21,600 vph
Jewels
25
22
Complications
None
GMT, Day-date
Pricing
1 specsMSRP
$335
$325
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