Side by side

Bremont ALT1-CvsSugess Seestern Heritage S436-2 BB GMT

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

ALT1-C
BremontALT1-C
MSRP $6,150
Seestern Heritage S436-2 BB GMT
SugessSeestern Heritage S436-2 BB GMT
MSRP $299

At a glance

14 of 29 specs differ
Diameter
ALT1-C43mm
Seestern Heritage S436-2 BB GMT40mm
Power Reserve
ALT1-C40h
Seestern Heritage S436-2 BB GMT35h
Water Resistance
ALT1-C100m
Seestern Heritage S436-2 BB GMT10m
MSRP
ALT1-C$6,150
Seestern Heritage S436-2 BB GMT$299

Full specifications

Case

7 specs
Category
Chronograph
GMT
Diameter
43mm
40mm
Thickness
16mm
12.2mm
Lug-to-Lug
48mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
10m

Crystal & Dial

2 specs
Dial Color
Regular length (15cm - 19cm wrist size)
Black
Lume
None
Tritium

Movement

4 specs
Caliber
BE-50AE
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
35h
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$6,150
$299

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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 Heritage S436-2 BB GMT

Owners widely praise the Sugess Seestern Heritage S436-2 BB GMT for its 39mm sizing, 12mm thinness, and light yet solid feel, with many appreciating its legibility due to the matte dial, clear crystal, and strong lume, though one owner flags the lume as a weak point. The case finishing is considered excellent, and the blue dial and satin finish are favorably compared to alternatives. Some owners report issues with a loose bezel, with others finding it improved after tuning, and one owner notes the seconds hand is too short. The bracelet clasp lacks sufficient micro-adjustment and screw pins are difficult to remove. On balance, owners rate the Sugess Seestern Heritage S436-2 BB GMT highly for its comfortable wearability and attractive finishing at the price.

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