Side by side

Praesidus Type H-75vsSeestern S450 Ocean Star

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

Type H-75
PraesidusType H-75
MSRP $245
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

13 of 29 specs differ
Diameter
Type H-7539mm
S450 Ocean Star40mm
Power Reserve
Type H-7540h
S450 Ocean Star41h
Water Resistance
Type H-75100m
S450 Ocean Star100m
MSRP
Type H-75$245
S450 Ocean Star$299

Full specifications

Case

4 specs
Category
Pilot
Diver
Diameter
39mm
40mm
Thickness
12mm
Lug-to-Lug
48mm

Crystal & Dial

2 specs
Dial Color
Black
White
Lume
None
Tritium

Movement

6 specs
Caliber
Seiko VK63 Meca-Quartz
TMI NH35A
Type
Quartz
Automatic
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
41h
Jewels
25
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$245
$299

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Praesidus Type H-75

The Praesidus Type H-75 is praised for its mid-century pilot chronograph style and approachable $245 price point, featuring a utilitarian 38mm stainless steel case with a gear-toothed bezel and an attractive aged dial texture with raised Arabic numerals. However, the "sapphire coated" mineral crystal and divisive mustard-yellow lume on brushed hands are noted drawbacks. One reviewer found the oversized crown made daily winding a tactile pleasure. On balance, owners and reviewers rate the Praesidus Type H-75 highly for its successful capture of vintage pilot chronograph aesthetics at an accessible price.

Seestern S450 Ocean Star

Owners widely praise the Seestern S450 Ocean Star's Yachtmaster-style case and flawless bracelet finishing, with one owner noting the ST2130 movement keeps good time. The bezel action is described as having individual notches but feeling like a friction bezel, while another owner flags the bezel and crown action as smooth with perfect alignment. Lume is a point of contention, with one source describing it as a nice cool blue with ice-white application, while others note it as weak or not matching Prospex standards, despite using BGW-9. The watch is considered a "big boy" ideal for larger wrists (19cm+), potentially too large for 17cm wrists due to its size and non-tapering bracelet. Overall, owners rate the Seestern S450 Ocean Star highly for its build quality and finishing at the price point, despite some reservations about its size and lume intensity.

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