Side by side

Hemel HD24 AutomaticvsSeestern S450 Ocean Star

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

HD24 Automatic
HemelHD24 Automatic
MSRP $300
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

11 of 29 specs differ
Diameter
HD24 Automatic40mm
S450 Ocean Star40mm
Power Reserve
HD24 Automatic40h
S450 Ocean Star41h
Water Resistance
HD24 Automatic200m
S450 Ocean Star100m
MSRP
HD24 Automatic$300
S450 Ocean Star$299

Full specifications

Case

2 specs
Thickness
13mm
12mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Gallant USAF Edition
White
Lume
None
Tritium

Movement

5 specs
Caliber
Seiko NH38A
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
41h
Jewels
25
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$300
$299

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