Side by side

Noctua Watch Corp. SentinelvsGrand Seiko SBGJ237

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

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Sentinel
Noctua Watch Corp.Sentinel
MSRP $429
SBGJ237
Grand SeikoSBGJ237
MSRP $7,600
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Buy from Grand Seiko ↗
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At a glance

11 of 29 specs differ
Diameter
Sentinel42mm
SBGJ23744.2mm
Power Reserve
Sentinel—
SBGJ23755h
Water Resistance
Sentinel300m
SBGJ237200m
MSRP
Sentinel$429
SBGJ237$7,600

Full specifications

Case

6 specs
Category
—
GMT
Diameter
42mm
44.2mm
Thickness
15mm
14.4mm
Lug-to-Lug
46mm
50.6mm
Lug Width
22mm
21mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
—
Black

Movement

2 specs
Caliber
Seiko NH35A
9S86
Power Reserve
—
55h

Pricing

1 specs
MSRP
—
$7,600
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