Side by side

Praesidus Type H-75vsSeiko Prospex Sea

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

Type H-75
PraesidusType H-75
MSRP $245
Prospex Sea
SeikoProspex Sea
MSRP $1,100

At a glance

13 of 29 specs differ
Diameter
Type H-7539mm
Prospex Sea41.3mm
Power Reserve
Type H-7540h
Prospex Sea72h
Water Resistance
Type H-75100m
Prospex Sea300m
MSRP
Type H-75$245
Prospex Sea$1,100

Full specifications

Case

6 specs
Category
Pilot
Diver
Diameter
39mm
41.3mm
Thickness
12.5mm
Lug-to-Lug
48.2mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
Seiko VK63 Meca-Quartz
6R55
Type
Quartz
Automatic
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$245
$1,100

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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.

Seiko Prospex Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

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