Side by side

Sinn 717vsBremont ALT1-C

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

717
Sinn717
MSRP $5,389
ALT1-C
BremontALT1-C
MSRP $6,150
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Sinn 717

The Sinn 717 is widely praised for its legible, cockpit-instrument-inspired dial and the functional SZ01 movement with central chronograph minute and second hands. Owners appreciate its solid winding action, crisp button feel, and accurate date changes. Despite its 45mm diameter, the Sinn 717 wears well due to its short lug-to-lug distance and comfortable strap options, and its TEGIMENT-treated black PVD case offers significant scratch resistance. Reviewers highlight its robust build quality and 200m water resistance, noting the innovative bezel sealing. Some community members criticize the blacked-out case aesthetic, and one owner finds the bezel action stiff, which they also see as a positive for preventing accidental turns. On balance, owners and reviewers rate the Sinn 717 highly for its unique legibility, robust construction, and comfortable wearability at its price point.

Bremont ALT1-C

Owners widely praise the Bremont ALT1-C for its flawless brushed case finish, attractive cream dial with excellent contrast from anthracite sub-dials, and comfortable, balanced wearability. The watch features a well-finished strap and a movement that is a joy to wind, with precise chronograph operation. Reviewers note refined feuille hands and polished Arabic numerals with a golden tinge, balancing ruggedness with elegance. The Bremont ALT1-C averages +3 seconds per day, though one reviewer flags its 16mm height as less than ideal for under-cuff wear and describes the date window as narrow. The modified Valjoux 7750 movement's rotor spin is noticeable. Overall, owners rate the Bremont ALT1-C highly for its refined aesthetics and enjoyable user experience.

At a glance

18 of 29 specs differ
Diameter
71745mm
ALT1-C43mm
Power Reserve
71738h
ALT1-C40h
Water Resistance
717200m
ALT1-C100m
MSRP
717$5,389
ALT1-C$6,150

Full specifications

Case

8 specs
Category
Tool
Chronograph
Diameter
45mm
43mm
Thickness
15.3mm
16mm
Lug Width
24mm
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
bead-blasted
Brushed and polished
Water Resistance
200m
100m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Black
Regular length (15cm - 19cm wrist size)
Indices
Applied
Lume
Luminescent
None

Movement

4 specs
Caliber
SINN Movement SZ01
BE-50AE
Power Reserve
38h
40h
Jewels
28
25
Complications
Chronograph, Date, Pilot's Bezel
None

Pricing

1 specs
MSRP
$5,389
$6,150
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