Side by side

Sinn 105 St Sa UTCvsLongines SPIRIT PILOT FLYBACK

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

105 St Sa UTC
Sinn105 St Sa UTC
MSRP $1,998
SPIRIT PILOT FLYBACK
LonginesSPIRIT PILOT FLYBACK
MSRP $5,550

At a glance

20 of 29 specs differ
Diameter
105 St Sa UTC41mm
SPIRIT PILOT FLYBACK39.5mm
Power Reserve
105 St Sa UTC38h
SPIRIT PILOT FLYBACK44h
Water Resistance
105 St Sa UTC200m
SPIRIT PILOT FLYBACK100m
MSRP
105 St Sa UTC$1,998
SPIRIT PILOT FLYBACK$5,550

Full specifications

Case

8 specs
Category
Tool
Pilot
Diameter
41mm
39.5mm
Thickness
11.9mm
13.4mm
Lug-to-Lug
47.4mm
Material
Stainless Steel
Ceramic
Finish
bead-blasted
Water Resistance
200m
100m
Caseback
Screw-down and transparent with sapphire crystal case back

Crystal & Dial

4 specs
Crystal Shape
AR Coating
Underside
Both sides
Indices
Applied Arabic numerals
Lume
Luminescent
Super-LumiNova

Movement

7 specs
Caliber
SW 330-2
L792.4
Type
Automatic
Manual
Power Reserve
38h
44h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Date, GMT
Hours, minutes, small seconds at 9 o'clock

Pricing

1 specs
MSRP
$1,998
$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.

Sinn 105 St Sa UTC

Owners and reviewers widely praise the Sinn 105 St Sa UTC for its legible dial, precise bi-directional bezel action, and the technical, toolish aesthetic of its bead-blasted, TEGIMENT-hardened steel case. The watch is noted for its smooth sweep and snappy date change, with accuracy often within COSC standards, and its vertical day/date display with a German day wheel is a distinctive feature. Some owners find the lug-to-lug distance large for smaller wrists, and the bracelet clasp is considered a weakness by one source, while the non-lumed UTC hand is a deliberate design choice. The Sinn 105 St Sa UTC utilizes a Sellita SW330-1 automatic movement with a 42-hour power reserve and offers 200 meters of water resistance. Overall, the consensus is that owners and reviewers rate the Sinn 105 St Sa UTC highly for its robust build quality and functional tool watch design at its price point.

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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