Side by side

Sinn 358 DIAPALvsBremont ALT1-C

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

358 DIAPAL
Sinn358 DIAPAL
MSRP $4,255
ALT1-C
BremontALT1-C
MSRP $6,150

At a glance

16 of 29 specs differ
Diameter
358 DIAPAL42mm
ALT1-C43mm
Power Reserve
358 DIAPAL48h
ALT1-C40h
Water Resistance
358 DIAPAL100m
ALT1-C100m
MSRP
358 DIAPAL$4,255
ALT1-C$6,150

Full specifications

Case

6 specs
Category
Tool
Chronograph
Diameter
42mm
43mm
Thickness
15mm
16mm
Material
Stainless Steel
316L Stainless Steel
Finish
satinized
Brushed and polished
Caseback
Solid

Crystal & Dial

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

Movement

4 specs
Caliber
LJP L100
BE-50AE
Power Reserve
48h
40h
Jewels
26
25
Complications
GMT, Date, Chronograph
None

Pricing

1 specs
MSRP
$4,255
$6,150

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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 358 DIAPAL

The Sinn 358 DIAPAL is widely praised as a handsome, unfussy tool watch with excellent legibility and solid construction, featuring a reliable and exact second timezone complication. Owners and reviewers highlight its DIAPAL oil-free escapement and Ar-Dehumidifying technology for contributing to its accuracy, and note the 42mm brushed stainless steel case is well-sized. One reviewer flags the skeletonized GMT hand as sometimes lacking legibility. Overall, owners and reviewers rate the Sinn 358 DIAPAL highly for its robust build and practical travel watch functionality.

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.

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