Side by side

Seiko Prospex SPEEDTIMERvsLongines LONGINES SPIRIT FLYBACK TITANIUM

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

Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $3,000
LONGINES SPIRIT FLYBACK TITANIUM
LonginesLONGINES SPIRIT FLYBACK TITANIUM
MSRP $5,900

At a glance

13 of 29 specs differ
Diameter
Prospex SPEEDTIMER42.5mm
LONGINES SPIRIT FLYBACK TITANIUM42mm
Power Reserve
Prospex SPEEDTIMER45h
LONGINES SPIRIT FLYBACK TITANIUM40h
Water Resistance
Prospex SPEEDTIMER100m
LONGINES SPIRIT FLYBACK TITANIUM100m
MSRP
Prospex SPEEDTIMER$3,000
LONGINES SPIRIT FLYBACK TITANIUM$5,900

Full specifications

Case

5 specs
Diameter
42.5mm
42mm
Thickness
15.1mm
17mm
Lug-to-Lug
50mm
49.5mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium

Crystal & Dial

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

Movement

3 specs
Caliber
8R46
L791.4
Power Reserve
45h
40h
Jewels
34
25

Pricing

1 specs
MSRP
$3,000
$5,900

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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.

Seiko Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER for its attractive vintage-inspired design and compact 39mm size, with one owner finding the red dial unique and gorgeous. Reviewers and owners note the solar-powered quartz movement, with one owner considering $700 expensive for this specification and another wishing for a thinner case. The SPEEDTIMER is described as a sturdy and reliable everyday watch, though one owner questioned its resale value. Overall, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its stylish, compact design and solar functionality, despite some finding the price point and case thickness slightly high.

LONGINES SPIRIT FLYBACK TITANIUM

The LONGINES SPIRIT FLYBACK TITANIUM is widely praised for its luxurious finishing on titanium, attractive anthracite dial with gold and red accents, and precise COSC-certified L791.4 movement. Owners and reviewers consistently highlight its value as a flyback chronograph with a 68-hour power reserve and 100-meter water resistance. However, its 17mm case thickness is a significant concern for wearability, particularly under sleeves, with some suggesting alternative strap options. On balance, owners and reviewers rate the LONGINES SPIRIT FLYBACK TITANIUM highly for its finishing and value, despite the noted thickness.

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