Side by side

Studio Underd0g Desert Sky (Gen3)vsLongines SPIRIT PILOT FLYBACK

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

Desert Sky (Gen3)
Studio Underd0gDesert Sky (Gen3)
MSRP $550
SPIRIT PILOT FLYBACK
LonginesSPIRIT PILOT FLYBACK
MSRP $5,550

At a glance

22 of 29 specs differ
Diameter
Desert Sky (Gen3)38.5mm
SPIRIT PILOT FLYBACK39.5mm
Power Reserve
Desert Sky (Gen3)40h
SPIRIT PILOT FLYBACK44h
Water Resistance
Desert Sky (Gen3)
SPIRIT PILOT FLYBACK100m
MSRP
Desert Sky (Gen3)$550
SPIRIT PILOT FLYBACK$5,550

Full specifications

Case

9 specs
Category
Chronograph
Pilot
Diameter
38.5mm
39.5mm
Thickness
13.4mm
Lug-to-Lug
47.4mm
Lug Width
20mm
Material
Stainless Steel
Ceramic
Finish
Brushed and polished
Water Resistance
100m
Caseback
Solid
Screw-down and transparent with sapphire crystal case back

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Both sides
Dial Color
Standard
Black
Indices
Applied
Applied Arabic numerals
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
L792.4
Type
Automatic
Manual
Power Reserve
40h
44h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, small seconds at 9 o'clock

Pricing

1 specs
MSRP
$550
$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.

Studio Underd0g Desert Sky (Gen3)

Owners widely praise the Studio Underd0g Desert Sky (Gen3) for its vibrant blue dial that exhibits depth and liveliness under varying light, its fun and creative design, and its value as a mechanical chronograph. The Seagull 1901 movement provides column-wheel chronograph functionality, with one owner reporting accuracy around +6 seconds per day and satisfying chronograph pusher feel. However, the watch is criticized for a highly reflective, overly domed crystal and weak lume. Some owners find the 13.6mm thickness to be substantial. On balance, owners rate the Studio Underd0g Desert Sky (Gen3) highly for its engaging dial and value proposition as a mechanical chronograph.

Longines SPIRIT PILOT FLYBACK

The Longines Spirit Pilot Flyback is widely praised for its refined 39.5mm case size, improved wearability, and clean dial design, incorporating enthusiast feedback by removing the five stars and date. Reviewers and owners consistently highlight its exceptional finishing, well-acting ceramic bezel, and the value it offers. The manual-winding L792.4 column-wheel chronograph movement is COSC-certified and offers a power reserve of approximately 68 to 72 hours. Some owners expressed disappointment with the removal of the five stars from the dial, and one reviewer noted that some numerals are partially cut off by the subdials. The watch is priced around $5,350 to $5,550 USD. Overall, owners and reviewers rate the Longines Spirit Pilot Flyback highly for its improved dimensions, finishing, and value proposition.

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