Side by side

Hemel HD24 AutomaticvsGrand Seiko STGF387

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

HD24 Automatic
HemelHD24 Automatic
MSRP $300
STGF387
Grand SeikoSTGF387
MSRP $4,200

At a glance

13 of 29 specs differ
Diameter
HD24 Automatic40mm
STGF38726mm
Power Reserve
HD24 Automatic40h
STGF38740h
Water Resistance
HD24 Automatic200m
STGF387100m
MSRP
HD24 Automatic$300
STGF387$4,200

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
40mm
26mm
Thickness
13mm
8.1mm
Lug-to-Lug
48mm
32.9mm
Lug Width
20mm
13mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
Seiko NH38A
4J51
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$300
$4,200

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