Side by side
Praesidus 42mm AutomaticvsSeestern S450 Ocean Star
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
42mm Automatic38mm
S450 Ocean Star40mm
Power Reserve
42mm Automatic40h
S450 Ocean Star41h
Water Resistance
42mm Automatic100m
S450 Ocean Star100m
MSRP
42mm Automatic$680
S450 Ocean Star$299
Full specifications
Case
5 specsCategory
Field
Diver
Diameter
38mm
40mm
Thickness
11mm
12mm
Lug-to-Lug
45mm
48mm
Lug Width
18mm
20mm
Crystal & Dial
2 specsDial Color
42mm Automatic
White
Lume
None
Tritium
Movement
5 specsCaliber
Seiko NH35
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
41h
Jewels
25
24
Complications
None
GMT, Date
Pricing
1 specsMSRP
$680
$299
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