Side by side
Seestern Sub 300 V4vsHemel HD24 Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Sub 300 V442mm
HD24 Automatic40mm
Power Reserve
Sub 300 V441h
HD24 Automatic40h
Water Resistance
Sub 300 V4200m
HD24 Automatic200m
MSRP
Sub 300 V4$10
HD24 Automatic$300
Full specifications
Case
4 specsDiameter
42mm
40mm
Lug-to-Lug
46mm
48mm
Finish
Brushed + Sandblasted
Brushed and polished
Caseback
Solid screw-down
Solid
Crystal & Dial
4 specsCrystal
Sapphire
Domed Sapphire
AR Coating
Underside
Inner
Dial Color
Orange
Gallant USAF Edition
Lume
Japan Lume (blue glow)
None
Movement
5 specsCaliber
Seiko NH35A
Seiko NH38A
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
40h
Jewels
24
25
Complications
GMT, Date
None
Pricing
1 specsMSRP
$10
$300
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