Seiko Prospex SpeedtimervsLongines Spirit Flyback

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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 Spirit Flyback at true scale

Spirit Flyback

Diameter

41.4mm

42mm

Lug-to-Lug

45.9mm

lowest

49.5mm

Thickness

13mm

lowest

17mm

Water Resistance

100m

100m

MSRP

$750

lowest

$5,900

Movement

Seiko V192

Longines L791.4

Case

5 specs
Diameter
41.4mm
42mm
Thickness
13mm
17mm
Lug-to-Lug
45.9mm
49.5mm
Lug Width
21mm
22mm
Material
Stainless Steel
Titanium

Crystal & Dial

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

Movement

2 specs
Caliber
Seiko V192
Longines L791.4
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$750
$5,900
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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 Spirit Flyback

The Longines Spirit Flyback Titanium is widely praised for its luxurious titanium finishing, attractive anthracite dial with gold and red accents, and the precise, COSC-certified L791.4 flyback chronograph movement. Owners and reviewers consistently highlight its good value and 100m water resistance. However, a significant drawback noted by multiple sources is the watch's 17mm thickness, which can make it sit tall and hinder wearability, especially under sleeves. On balance, owners and reviewers rate the Longines Spirit Flyback Titanium highly for its premium finishing and robust movement at its price point, despite concerns over its case thickness.