Side by side

Lorier Hyperion SIIvsSeiko Prospex Sea

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

Hyperion SII
LorierHyperion SII
MSRP $699
Prospex Sea
SeikoProspex Sea
MSRP $625

At a glance

12 of 29 specs differ
Diameter
Hyperion SII39mm
Prospex Sea43.8mm
Power Reserve
Hyperion SII40h
Prospex Sea41h
Water Resistance
Hyperion SII200m
Prospex Sea200m
MSRP
Hyperion SII$699
Prospex Sea$625

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
39mm
43.8mm
Thickness
12.8mm
Lug-to-Lug
48.7mm
Lug Width
20mm
22mm

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
4R35
Power Reserve
40h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$699
$625

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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.

Lorier Hyperion SII

Owners widely praise the Lorier Hyperion SII for its vintage aesthetic, glossy black dial, and tasteful text. One owner notes the Miyota 9075 movement and calls it the best GMT under $800. Criticisms include a small GMT hand that is difficult to spot, and one user found the winding action not smooth with significant crown resistance. Overall, owners rate the Lorier Hyperion SII highly for its vintage aesthetic and value.

Seiko Prospex Sea

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

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