Side by side

Bremont ALT1-CvsIslander Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322

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

ALT1-C
BremontALT1-C
MSRP $6,150
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322
IslanderIslander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322
MSRP $429

At a glance

16 of 29 specs differ
Diameter
ALT1-C43mm
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-32240mm
Power Reserve
ALT1-C40h
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322
Water Resistance
ALT1-C100m
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322100m
MSRP
ALT1-C$6,150
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322$429

Full specifications

Case

8 specs
Category
Chronograph
Pilot
Diameter
43mm
40mm
Thickness
16mm
12.5mm
Lug-to-Lug
0mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Caseback
Solid
Screw-down

Crystal & Dial

3 specs
AR Coating
Inner
Underside
Dial Color
Regular length (15cm - 19cm wrist size)
Indices
Applied

Movement

4 specs
Caliber
BE-50AE
Seiko NH38
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$6,150
$429

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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.

Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322

Owners widely praise the Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322 for its gorgeous, color-popping black mother-of-pearl dial and good case finishing, with some appreciating its distinct bead-blasted case and H-link bracelet. The $375 price is noted as a strong value for a true mother-of-pearl watch. However, opinions are divided on the dial text font and the Islander logo, with some finding them unattractive and others seeing them as minor issues on an otherwise appealing tool watch. On balance, owners rate the Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322 highly for its striking mother-of-pearl dial and value proposition.

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