Side by side

Longines ULTRA‑CHRON CARBONvsYema Navygraf FSM Bronze

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 FSM Bronze
YemaNavygraf FSM Bronze
MSRP $1,350

At a glance

22 of 29 specs differ
Diameter
ULTRA‑CHRON CARBON43mm
Navygraf FSM Bronze38.5mm
Power Reserve
ULTRA‑CHRON CARBON52h
Navygraf FSM Bronze40h
Water Resistance
ULTRA‑CHRON CARBON300m
Navygraf FSM Bronze100m
MSRP
ULTRA‑CHRON CARBON$5,550
Navygraf FSM Bronze$1,350

Full specifications

Case

8 specs
Diameter
43mm
38.5mm
Thickness
14mm
11.3mm
Lug-to-Lug
48.9mm
Lug Width
22mm
19mm
Material
Titanium
Bronze
Finish
Brushed and polished
Water Resistance
300m
100m
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
Bronze
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
$1,350

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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 FSM Bronze

Owners praise the Yema Navygraf FSM Bronze for its wearable 38.5mm bronze case and comfortable, high-quality parachute strap. The in-house YEMA2000 movement is noted as a positive. The watch features a glossy black dial with elongated markers and hands coated in Super-LumiNova, powered by the YEMA2000 calibre with a 42-hour power reserve, regulated to -/+ 10 seconds per day. Overall, owners rate the Yema Navygraf FSM Bronze highly for its comfortable wearability and the quality of its strap and in-house movement.

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