Side by side
Seiko Prospex SeavsNoctua Watch Corp. Sentinel
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Prospex Sea42mm
Sentinel42mm
Power Reserve
Prospex Sea72h
Sentinel—
Water Resistance
Prospex Sea300m
Sentinel300m
MSRP
Prospex Sea—
Sentinel$429
Full specifications
Case
4 specsCategory
Diver
—
Thickness
13.3mm
15mm
Lug-to-Lug
48.6mm
46mm
Lug Width
20mm
22mm
Crystal & Dial
3 specsAR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
—
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
3 specsCaliber
6R54
Seiko NH35A
Power Reserve
72h
—
Jewels
24
25
Pricing
1 specsMSRP
—
—
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