Side by side

AVI-8 Spitfire Type 300 AutomaticvsLongines ULTRA‑CHRON CARBON

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

Spitfire Type 300 Automatic
AVI-8Spitfire Type 300 Automatic
MSRP $400
ULTRA‑CHRON CARBON
LonginesULTRA‑CHRON CARBON
MSRP $5,550

At a glance

22 of 29 specs differ
Diameter
Spitfire Type 300 Automatic42mm
ULTRA‑CHRON CARBON43mm
Power Reserve
Spitfire Type 300 Automatic40h
ULTRA‑CHRON CARBON52h
Water Resistance
Spitfire Type 300 Automatic50m
ULTRA‑CHRON CARBON300m
MSRP
Spitfire Type 300 Automatic$400
ULTRA‑CHRON CARBON$5,550

Full specifications

Case

9 specs
Category
Pilot
Diver
Diameter
42mm
43mm
Thickness
14mm
Lug-to-Lug
48.9mm
Lug Width
22mm
Material
316L Stainless Steel
Titanium
Finish
Brushed and polished
Water Resistance
50m
300m
Caseback
Solid
Screw-down case back

Crystal & Dial

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

Movement

7 specs
Caliber
L836.6
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
$400
$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.

AVI-8 Spitfire Type 300 Automatic

Owners praise the AVI-8 Spitfire Type 300 Automatic for its compelling designs and striking color schemes, with one owner noting the brand consistently prompts purchases. The $450 price point is considered good value, and the watch features a comfortable brown leather strap. However, the included NATO strap feels cheap and is too long for a 7" wrist. One owner reported inaccurate seconds hand movement, and the 15mm thick bronze case is noted as slightly thicker than expected. Overall, owners rate the AVI-8 Spitfire Type 300 Automatic highly for its unique designs and value at the price point, despite some minor strap and case thickness observations.

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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