Side by side

Bremont ALT1-CvsYema Navygraf Marine Nationale CMM.10

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

ALT1-C
BremontALT1-C
MSRP $6,150
Navygraf Marine Nationale CMM.10
YemaNavygraf Marine Nationale CMM.10
MSRP $1,614

At a glance

9 of 29 specs differ
Diameter
ALT1-C43mm
Navygraf Marine Nationale CMM.1039mm
Power Reserve
ALT1-C40h
Navygraf Marine Nationale CMM.1040h
Water Resistance
ALT1-C100m
Navygraf Marine Nationale CMM.10100m
MSRP
ALT1-C$6,150
Navygraf Marine Nationale CMM.10$1,614

Full specifications

Case

5 specs
Category
Chronograph
Diver
Diameter
43mm
39mm
Thickness
16mm
11mm
Lug-to-Lug
46mm
Lug Width
22mm
19mm

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Regular length (15cm - 19cm wrist size)
Black

Movement

1 specs
Caliber
BE-50AE
Yema CMM.10

Pricing

1 specs
MSRP
$6,150
$1,614

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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.

Yema Navygraf Marine Nationale CMM.10

The Yema Navygraf Marine Nationale CMM.10 is lauded for its vibrant blue dial and bezel, a slimmer 39mm case at 11mm thick, and its in-house CMM.10 caliber offering a 70-hour power reserve. Reviewers highlight the clean, legible dial, blue sapphire bezel insert, and competitive pricing under $2,000. However, the steel bracelet's clasp is noted by multiple sources as rattly and feeling slightly cheap, with one reviewer finding it difficult to open. Accuracy is reported within a range of +5/-3 seconds per day. Overall, reviewers praise the Yema Navygraf Marine Nationale CMM.10 for its attractive design and value proposition, tempered by minor concerns regarding the bracelet clasp.

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