Side by side

Marathon GPQ (General Purpose Quartz) Field WatchvsLongines PRIMALUNA

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

GPQ (General Purpose Quartz) Field Watch
MarathonGPQ (General Purpose Quartz) Field Watch
MSRP $420
PRIMALUNA
LonginesPRIMALUNA
MSRP $1,700

At a glance

21 of 29 specs differ
Diameter
GPQ (General Purpose Quartz) Field Watch34mm
PRIMALUNA30mm
Power Reserve
GPQ (General Purpose Quartz) Field Watch40h
PRIMALUNA40h
Water Resistance
GPQ (General Purpose Quartz) Field Watch30m
PRIMALUNA30m
MSRP
GPQ (General Purpose Quartz) Field Watch$420
PRIMALUNA$1,700

Full specifications

Case

8 specs
Category
Field
Dress
Diameter
34mm
30mm
Thickness
11.5mm
8mm
Lug-to-Lug
41mm
37mm
Lug Width
16mm
7mm
Material
Fibreshell Composite
Stainless Steel
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

6 specs
Crystal
Acrylic
Sapphire
Crystal Shape
Flat
AR Coating
Inner
Underside
Dial Color
Black
Mother of Pearl
Indices
Applied
Diamond indexes
Lume
None
Super-LumiNova

Movement

6 specs
Caliber
Swiss High-Torque Quartz (3J, EOL)
L152.3
Beat Rate
28,800 vph
25,200 vph
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$420
$1,700

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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.

Marathon GPQ (General Purpose Quartz) Field Watch

Owners widely praise the Marathon GPQ (General Purpose Quartz) Field Watch for its rugged quartz movement, accuracy, and tritium lume. Reviewers and owners alike highlight its solid build, legibility, and comfortable, lightweight wear, making it particularly well-suited for smaller wrists. Some owners, however, consider the price point of $350-420 to be somewhat high. On balance, the consensus is that owners rate the Marathon GPQ (General Purpose Quartz) Field Watch highly for its dependable quartz accuracy and excellent tritium lume.

Longines PRIMALUNA

Owners widely praise the Longines PRIMALUNA for its attractive style and understated 26.5mm size, with the automatic version favored for its smooth sweep. The redesigned 34mm model features a fluid, polished case, available in steel or bi-metal, with dial options including mother-of-pearl. The automatic movement, Caliber L899, demonstrates consistent accuracy averaging a loss of 1.3 seconds per day across six positions and 3-4 seconds per day on the wrist, performing within COSC standards. The automatic movement offers a 72-hour power reserve. On balance, owners and reviewers highly regard the Longines PRIMALUNA for its blend of classic aesthetics and contemporary design updates, particularly appreciating the automatic movement's performance and the watch's overall stylish appeal.

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