Side by side

Marathon GPQ (General Purpose Quartz) Field WatchvsLongines ULTRA‑CHRON CARBON

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
ULTRA‑CHRON CARBON
LonginesULTRA‑CHRON CARBON
MSRP $5,550

At a glance

24 of 29 specs differ
Diameter
GPQ (General Purpose Quartz) Field Watch34mm
ULTRA‑CHRON CARBON43mm
Power Reserve
GPQ (General Purpose Quartz) Field Watch40h
ULTRA‑CHRON CARBON52h
Water Resistance
GPQ (General Purpose Quartz) Field Watch30m
ULTRA‑CHRON CARBON300m
MSRP
GPQ (General Purpose Quartz) Field Watch$420
ULTRA‑CHRON CARBON$5,550

Full specifications

Case

9 specs
Category
Field
Diver
Diameter
34mm
43mm
Thickness
11.5mm
14mm
Lug-to-Lug
41mm
48.9mm
Lug Width
16mm
22mm
Material
Fibreshell Composite
Titanium
Finish
Brushed and polished
Water Resistance
30m
300m
Caseback
Solid
Screw-down case back

Crystal & Dial

6 specs
Crystal
Acrylic
Sapphire
Crystal Shape
Flat
AR Coating
Inner
Both sides
Dial Color
Black
Silver
Indices
Applied
Applied indexes
Lume
None
Super-LumiNova

Movement

8 specs
Caliber
Swiss High-Torque Quartz (3J, EOL)
L836.6
Type
Quartz
Automatic
Beat Rate
28,800 vph
36,000 vph
Power Reserve
40h
52h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds

Pricing

1 specs
MSRP
$420
$5,550

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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 ULTRA‑CHRON CARBON

The Longines ULTRA‑CHRON CARBON is praised for its lightweight composite case and unique "Batman" aesthetic, with its 5Hz movement widely noted for exceptional accuracy. Owners widely report the high-beat movement is the cheapest 5Hz option available. Some owners find the non-rotating bezel a relief, while others consider it a deal-breaker, noting the watch is no longer a dive watch. On balance, owners and reviewers highly rate the Longines ULTRA‑CHRON CARBON for its cool, lightweight design and the exceptional accuracy of its 5Hz movement.

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