Side by side

Zelos Hammerhead (Tantalum LE)vsYema Wristmaster Slim CMM.20

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

Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499
Wristmaster Slim CMM.20
YemaWristmaster Slim CMM.20
MSRP $2,117

At a glance

11 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Wristmaster Slim CMM.2039mm
Power Reserve
Hammerhead (Tantalum LE)40h
Wristmaster Slim CMM.2040h
Water Resistance
Hammerhead (Tantalum LE)300m
Wristmaster Slim CMM.20100m
MSRP
Hammerhead (Tantalum LE)$1,499
Wristmaster Slim CMM.20$2,117

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
44mm
39mm
Thickness
13mm
9mm
Lug-to-Lug
44mm
Lug Width
22mm
24mm
Material
Titanium
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Tantalum LE
Black

Movement

1 specs
Caliber
Seiko NH35
Yema CMM.20

Pricing

1 specs
MSRP
$1,499
$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.

Zelos Hammerhead (Tantalum LE)

The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.

Yema Wristmaster Slim CMM.20

The Yema Wristmaster Slim CMM.20 is widely praised for its compelling integrated bracelet design and comfortable 39mm wearability. Reviewers highlight its impressive value, featuring an in-house CMM.20 micro-rotor movement with a 70-hour power reserve, adjusted to -3/+7 seconds per day, all within a slim 9mm case. Some note the domed sapphire crystal can produce glare and the dial text is quite small. On balance, reviewers rate the Yema Wristmaster Slim CMM.20 highly for its integrated design and value proposition with a micro-rotor movement.

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