Noctua Watch Corp. SentinelvsSeiko Prospex Sea

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Sentinel
Noctua Watch Corp.Sentinel

MSRP $429

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Buy from Noctua Watch Corp. Used on eBay
Prospex Sea
SeikoProspex Sea

MSRP $1,100

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Buy from Seiko Used on eBay

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Noctua Watch Corp. Sentinel at true scale

Sentinel

Seiko Prospex Sea at true scale

Prospex Sea

Diameter

42mm

41.3mm

Lug-to-Lug

46mm

lowest

48.2mm

Thickness

15mm

12.5mm

lowest

Water Resistance

300m

300m

Power Reserve

n/a

72h

MSRP

$429

lowest

$1,100

Movement

Seiko NH35

Seiko 6R55

Case

4 specs
Diameter
42mm
41.3mm
Thickness
15mm
12.5mm
Lug-to-Lug
46mm
48.2mm
Lug Width
22mm
20mm

Crystal & Dial

3 specs
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seiko NH35
Seiko 6R55
Power Reserve
n/a
72h
Jewels
0
24

Pricing

1 specs
MSRP
$429
$1,100
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