Side by side

Lorier Astra Cosmic BluevsSeiko Prospex SPEEDTIMER Mechanical

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 Cosmic Blue

Owners widely praise the Lorier Astra Cosmic Blue for its beautiful, vintage 1960s aesthetic and comfortable 36mm size, fitting well even after initial adjustment. Some community members appreciate its clean lines and attractive design, though a few wish for more variation in the brand's case and bracelet designs across its models. Overall, owners rate the Lorier Astra Cosmic Blue highly for its stunning, dressy vintage appeal and wearability.

Seiko Prospex SPEEDTIMER Mechanical

The Seiko Prospex SPEEDTIMER Mechanical is praised for its visually appealing design and comfortable wearability, with owners frequently using its chronograph function for daily tasks. Reviewers note its clean dial layout and LumiBrite treated hands and markers, and one source highlights the 72-hour power reserve of the 6R55 movement. However, some owners criticize its chronograph functionality and the 24-hour subdial. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its daily usability and refined aesthetics.

At a glance

14 of 29 specs differ
Diameter
Astra Cosmic Blue36mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
Astra Cosmic Blue
Prospex SPEEDTIMER Mechanical72h
Water Resistance
Astra Cosmic Blue50m
Prospex SPEEDTIMER Mechanical200m
MSRP
Astra Cosmic Blue$499
Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

6 specs
Category
Field
Chronograph
Diameter
36mm
39.5mm
Thickness
12mm
Lug-to-Lug
44.5mm
Lug Width
18mm
20mm
Water Resistance
50m
200m

Crystal & Dial

4 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Blue
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
6R55
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$499
$995
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