Side by side

Bremont ALT1-CvsSugess Seestern S434 Pro Diver

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

ALT1-C
BremontALT1-C
MSRP $6,150
Seestern S434 Pro Diver
SugessSeestern S434 Pro Diver
MSRP $249

At a glance

14 of 29 specs differ
Diameter
ALT1-C43mm
Seestern S434 Pro Diver40mm
Power Reserve
ALT1-C40h
Seestern S434 Pro Diver40h
Water Resistance
ALT1-C100m
Seestern S434 Pro Diver200m
MSRP
ALT1-C$6,150
Seestern S434 Pro Diver$249

Full specifications

Case

8 specs
Category
Chronograph
Diver
Diameter
43mm
40mm
Thickness
16mm
12mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel/Rose Gold
Water Resistance
100m
200m
Caseback
Solid
Engraved

Crystal & Dial

2 specs
Dial Color
Regular length (15cm - 19cm wrist size)
2 Salmon
Lume
None
Super-LumiNova BGW9

Movement

3 specs
Caliber
BE-50AE
NH35
Beat Rate
28,800 vph
3 vph
Complications
None
GMT, Chronograph, Moonphase, Date

Pricing

1 specs
MSRP
$6,150
$249

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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.

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.

Sugess Seestern S434 Pro Diver

Owners widely praise the Sugess Seestern S434 Pro Diver for its impressive finishing and craftsmanship at its price point, highlighting the applied indices that play with light, excellent BGW9 lume, and attractive color options. Specific positive notes include the domed sapphire crystal, short lug-to-lug, and on-the-fly clasp adjustment. However, some owners report quality control issues such as misaligned bezels or indices, while others with V2 models experience no such problems. Caveats include slight bezel back play, light AR coating on the crystal, and a clasp that could be smoother, with one owner desiring a color-matched date wheel. On balance, owners rate the Sugess Seestern S434 Pro Diver highly for its exceptional value and build quality, particularly the dial finishing and lume.

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