Side by side

Hamilton American Classic Spirit of Liberty Auto ChronovsYema Skin Diver Slim CMM.20

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

Skin Diver Slim CMM.20
YemaSkin Diver Slim CMM.20
MSRP $2,117

At a glance

11 of 29 specs differ
Diameter
American Classic Spirit of Liberty Auto Chrono42mm
Skin Diver Slim CMM.2047mm
Power Reserve
American Classic Spirit of Liberty Auto Chrono40h
Skin Diver Slim CMM.2040h
Water Resistance
American Classic Spirit of Liberty Auto Chrono50m
Skin Diver Slim CMM.20200m
MSRP
American Classic Spirit of Liberty Auto Chrono$2,225
Skin Diver Slim CMM.20$2,117

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
42mm
47mm
Thickness
14.75mm
10mm
Lug-to-Lug
46mm
47mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Steel

Movement

1 specs
Caliber
H-21
Yema CMM.20

Pricing

1 specs
MSRP
$2,225
$2,117

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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.

Hamilton American Classic Spirit of Liberty Auto Chrono

Owners widely praise the Hamilton American Classic Spirit of Liberty Auto Chrono for its impressive craftsmanship, details, and overall finish, noting sharp edges on the mixed brushed and polished lugs that give it a premium look and a refined yet bold presence. The watch offers an improved 60-hour power reserve and increased precision. However, its pushers are noted as being chunky. On balance, owners rate the Hamilton American Classic Spirit of Liberty Auto Chrono highly for its premium finishing and refined presence on the wrist.

Yema Skin Diver Slim CMM.20

Owners and reviewers widely praise the Yema Skin Diver Slim CMM.20 for its balanced 39mm case, vintage aesthetic, and unique champagne dial. The proprietary CMM.20 micro-rotor movement is a notable feature, though some owners report potential QC issues including erratic timegrapher readings and second-hand stutter. The lume is described as subdued, and while some find the "dragon scale" bracelet beautiful, others consider it generic. The price point is a hurdle for some, and the stamped clasp quality is considered subpar by one reviewer, with a gap noted by an owner. The lack of hacking seconds is flagged as a drawback at its price. Overall, owners and reviewers rate the Yema Skin Diver Slim CMM.20 highly for its vintage charm and balanced wearability.

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