Seiko Prospex SpeedtimervsLongines Avigation Bigeye

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Seiko Prospex Speedtimer at true scale

Prospex Speedtimer

Longines Avigation Bigeye at true scale

Avigation Bigeye

Diameter

41.4mm

41mm

Lug-to-Lug

45.9mm

lowest

48.7mm

Thickness

13mm

lowest

14.5mm

Water Resistance

100m

highest

30m

MSRP

$750

lowest

$4,400

Movement

Seiko V192

Longines L688.5

Case

5 specs
Diameter
41.4mm
41mm
Thickness
13mm
14.5mm
Lug-to-Lug
45.9mm
48.7mm
Lug Width
21mm
20mm
Water Resistance
100m
30m

Crystal & Dial

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

Movement

2 specs
Caliber
Seiko V192
Longines L688.5
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$750
$4,400
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Reviews

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

Seiko Prospex Speedtimer

Owners widely praise the Seiko Prospex SPEEDTIMER for its beautiful dial colors, with specific mentions of ice blue and cream, and its vintage-inspired design. Some find the 39mm case size, which wears smaller than its 41.4mm specification due to short lugs, fits perfectly on smaller wrists. However, owners are split on value, with some considering it a beautiful and incredibly valuable watch, while others question the price for a solar quartz movement and find the 13mm thickness notable. One reviewer noted the lack of quick-release or micro-adjustment on the bracelet. Overall, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its striking dial designs and compact, vintage-inspired wearability.

From video reviewers

The solar-powered chronograph movement is a key strength. The bracelet finishing is a potential area for improvement. Reviewers are split on whether the aesthetic successfully revives the spirit of the original "Pogue."

Longines Avigation Bigeye

Owners and reviewers widely praise the Longines Avigation Bigeye for its vintage military aesthetic, legible dial with a unique "big eye" subdial, and tactile chronograph pusher action. The 41mm steel case wears well, and the boxed sapphire crystal is a notable feature. However, some find the 14.45mm thickness typical for its movement, and the 30-minute sub-dial's three-minute hash marks can compromise reading speed. The stock strap is generally considered unremarkable, and the lack of drilled lugs makes strap changes less convenient. Some owners report minor QC issues with chronograph hand alignment and a loud rotor. Overall, owners rate the Longines Avigation Bigeye highly for its cohesive vintage design and appealing chronograph functionality at its price point.

From video reviewers

The titanium case offers exceptional lightness and balance on the wrist. Reviewers did not reach a consensus on any weaknesses.