Side by side

Longines ULTRA‑CHRON CARBONvsZelos Nova 37

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
Nova 37
ZelosNova 37
MSRP $899

At a glance

24 of 29 specs differ
Diameter
ULTRA‑CHRON CARBON43mm
Nova 3737mm
Power Reserve
ULTRA‑CHRON CARBON52h
Nova 3740h
Water Resistance
ULTRA‑CHRON CARBON300m
Nova 3750m
MSRP
ULTRA‑CHRON CARBON$5,550
Nova 37$899

Full specifications

Case

9 specs
Category
Diver
Dress
Diameter
43mm
37mm
Thickness
14mm
7mm
Lug-to-Lug
48.9mm
37mm
Lug Width
22mm
20mm
Material
Titanium
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
300m
50m
Caseback
Screw-down case back
Solid

Crystal & Dial

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

Movement

8 specs
Caliber
L836.6
ETA 7001
Type
Automatic
Manual
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 Nova 37

Owners widely praise the Zelos Nova 37's spectacular 37mm dimensions and extremely light, thin wearability. The meteorite dial is frequently highlighted as a captivating feature, though some reviewers suggest simpler indices would improve legibility over the Arabic numerals. The watch is considered a considerable value at $1,999. On balance, owners and reviewers rate the Zelos Nova 37 highly for its excellent dimensions and dial execution at the price.

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