Side by side

Longines ULTRA‑CHRON CARBONvsZelos Eagle 2

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

ULTRA‑CHRON CARBON
LonginesULTRA‑CHRON CARBON
MSRP $5,550
Eagle 2
ZelosEagle 2
MSRP $899

At a glance

21 of 29 specs differ
Diameter
ULTRA‑CHRON CARBON43mm
Eagle 239mm
Power Reserve
ULTRA‑CHRON CARBON52h
Eagle 240h
Water Resistance
ULTRA‑CHRON CARBON300m
Eagle 2100m
MSRP
ULTRA‑CHRON CARBON$5,550
Eagle 2$899

Full specifications

Case

8 specs
Category
Diver
Pilot
Diameter
43mm
39mm
Thickness
14mm
11mm
Lug-to-Lug
48.9mm
39mm
Lug Width
22mm
20mm
Finish
Brushed and polished
Water Resistance
300m
100m
Caseback
Screw-down case back
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Both sides
Inner
Dial Color
Silver
Anthracite
Indices
Applied indexes
Applied
Lume
Super-LumiNova
None

Movement

7 specs
Caliber
L836.6
La Joux-Perret G100
Beat Rate
36,000 vph
28,800 vph
Power Reserve
52h
40h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes
Complications
Hours, minutes, seconds
None

Pricing

1 specs
MSRP
$5,550
$899

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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.

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.

Zelos Eagle 2

Owners widely praise the Zelos Eagle 2's unique meteorite dial and titanium case, with one owner describing it as a "work of art" featuring a fully lumed dial and a scratch-resistant 1,200 Vickers hardness-coated case. The LaJoux Perret G100Soigne movement provides a 68-hour power reserve. Some owners, however, find the dial layout "ugly" and the font thick, while others note minor QC issues like misaligned markers. On balance, owners rate the Zelos Eagle 2 highly for its distinctive meteorite dial and titanium construction at its price point.

From video reviewers

The watch's compact size is a notable strength, with a 39mm diameter case and 11mm thickness making it suitable for a pilot's watch. A potential weakness is the lug-to-lug fit, which may be too large for smaller wrists. Reviewers disagree on the bezel, with one reviewer highlighting the Cerakote finish as a standout feature, while another mentions the watch's bezel in passing without comment.

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