Side by side

Boldr MarinevsNoctua Watch Corp. Sentinel

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

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Marine
BoldrMarine
MSRP $439
Sentinel
Noctua Watch Corp.Sentinel
MSRP $429
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Buy from Noctua Watch Corp. ↗
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At a glance

11 of 29 specs differ
Diameter
Marine40mm
Sentinel42mm
Power Reserve
Marine40h
Sentinel—
Water Resistance
Marine200m
Sentinel300m
MSRP
Marine$439
Sentinel$429

Full specifications

Case

5 specs
Category
Tool
—
Diameter
40mm
42mm
Thickness
12.3mm
15mm
Lug Width
20mm
22mm
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Defender Elewana
—
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
NH35A
Seiko NH35A
Power Reserve
40h
—

Pricing

1 specs
MSRP
$439
—
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