Side by side

Longines ULTRA‑CHRON CARBONvsYema Navygraf Marine Nationale GMT Paris

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
Navygraf Marine Nationale GMT Paris
YemaNavygraf Marine Nationale GMT Paris
MSRP $944

At a glance

22 of 29 specs differ
Diameter
ULTRA‑CHRON CARBON43mm
Navygraf Marine Nationale GMT Paris39mm
Power Reserve
ULTRA‑CHRON CARBON52h
Navygraf Marine Nationale GMT Paris40h
Water Resistance
ULTRA‑CHRON CARBON300m
Navygraf Marine Nationale GMT Paris100m
MSRP
ULTRA‑CHRON CARBON$5,550
Navygraf Marine Nationale GMT Paris$944

Full specifications

Case

9 specs
Category
Diver
GMT
Diameter
43mm
39mm
Thickness
14mm
Lug-to-Lug
48.9mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
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
Paris
Indices
Applied indexes
Applied
Lume
Super-LumiNova
None

Movement

7 specs
Caliber
L836.6
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
$944

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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.

Yema Navygraf Marine Nationale GMT Paris

Owners widely praise the Yema Navygraf Marine Nationale GMT Paris as a standout design within the brand's recent offerings and a compelling alternative to higher-priced models, with one owner reporting zero issues. The steel version is a 39mm tool watch with pencil-shaped hands and white indices for legibility. It features Yema's YEMA2000 movement, offering ±10 seconds per day accuracy and a 42-hour power reserve, with 300-meter water resistance. Overall, owners rate the Yema Navygraf Marine Nationale GMT Paris highly for its appealing design and solid performance at its price point.

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