Side by side

Lorier AstravsSeiko Prospex Sea The Black Series

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

What people say

Owners + reviewers, side by side

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

Lorier Astra

The Lorier Astra is praised for its outstanding details and design language, hitting a "dressy sports watch" vibe with a beautiful sector dial and lume. Owners note its versatile, do-it-all design with classic proportions and refined details like beveled markers, making it suitable for both formal and casual wear. The watch wears slightly larger than its 36mm case suggests, closer to 38mm, with lugs that taper and curve downward to fit well on smaller wrists. However, the bracelet feels a bit light, some screws are difficult to remove, and the Miyota movement can gain around 8 seconds in 12 hours with potentially offset date numerals. On balance, owners rate the Lorier Astra highly for its dressy sports watch aesthetic and refined details at its price point.

From video reviewers

The watch's versatile dial and comfortable 36mm sizing are consistently praised. Lume brightness is noted as a potential weakness. Reviewers did not explicitly disagree on any points.

Seiko Prospex Sea The Black Series

The Seiko Prospex Sea The Black Series is widely praised for its impressive value and compelling design elements. Reviewers highlight the SLA073's cave-diving-inspired dial, high-quality bracelet, and the robust 8L35 movement, calling it a standout release. The SRPE33 and SRPE39 models are noted for their attractive price, manta ray decorated dials, and excellent LumiBrite lume, though bezel alignment can be inconsistent. The SNJ029 is celebrated for its dynamic, colorful aesthetic, solar charging, and comfortable strap, making it ideal for outdoor adventures. Overall, the consensus is that Seiko Prospex Sea The Black Series models offer excellent value, with specific models lauded for their unique dials, quality finishing, and practical features like solar charging.

At a glance

13 of 29 specs differ
Diameter
Astra36mm
Prospex Sea The Black Series45mm
Power Reserve
Astra
Prospex Sea The Black Series41h
Water Resistance
Astra50m
Prospex Sea The Black Series200m
MSRP
Astra$599
Prospex Sea The Black Series$765

Full specifications

Case

6 specs
Category
Field
Diver
Diameter
36mm
45mm
Thickness
13.2mm
Lug-to-Lug
47.7mm
Lug Width
18mm
22mm
Water Resistance
50m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
Seiko 4R36
Power Reserve
0h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$599
$765
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Lorier Astra vs Seiko Prospex Sea The Black Series gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.