Side by side
Noctua Watch Corp. SentinelvsSerket Watch Co Reef X
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
Sentinel42mm
Reef X42.5mm
Power Reserve
Sentinel—
Reef X40h
Water Resistance
Sentinel300m
Reef X200m
MSRP
Sentinel$429
Reef X$399
Full specifications
Case
4 specsDiameter
42mm
42.5mm
Thickness
15mm
12.7mm
Lug-to-Lug
46mm
49mm
Water Resistance
300m
200m
Crystal & Dial
1 specsDial Color
—
Yellow
Movement
2 specsCaliber
Seiko NH35A
Miyota 8215
Power Reserve
—
40h
Pricing
1 specsMSRP
—
$399
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