Side by side

Hemel HD24 AutomaticvsGrand Seiko SLGB023

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

HD24 Automatic
HemelHD24 Automatic
MSRP $300
SLGB023
Grand SeikoSLGB023
MSRP $12,400

At a glance

13 of 29 specs differ
Diameter
HD24 Automatic40mm
SLGB02340.8mm
Power Reserve
HD24 Automatic40h
SLGB02372h
Water Resistance
HD24 Automatic200m
SLGB023300m
MSRP
HD24 Automatic$300
SLGB023$12,400

Full specifications

Case

6 specs
Diameter
40mm
40.8mm
Thickness
13mm
12.9mm
Lug-to-Lug
48mm
48.5mm
Lug Width
20mm
21mm
Material
316L Stainless Steel
Titanium
Water Resistance
200m
300m

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
Gallant USAF Edition
Black

Movement

3 specs
Caliber
Seiko NH38A
9RB1
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$300
$12,400

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