Side by side

Spinnaker Hass AutomaticvsYema Skin Diver CMM.20

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

Hass Automatic
SpinnakerHass Automatic
MSRP $445
Skin Diver CMM.20
YemaSkin Diver CMM.20
MSRP $2,372

At a glance

9 of 29 specs differ
Diameter
Hass Automatic43mm
Skin Diver CMM.2039.5mm
Power Reserve
Hass Automatic40h
Skin Diver CMM.2040h
Water Resistance
Hass Automatic300m
Skin Diver CMM.20200m
MSRP
Hass Automatic$445
Skin Diver CMM.20$2,372

Full specifications

Case

5 specs
Diameter
43mm
39.5mm
Thickness
16.5mm
11.5mm
Lug-to-Lug
50mm
47mm
Lug Width
22mm
20mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Flying Dutchman
Black

Movement

1 specs
Caliber
SII NH35A
Yema CMM.20

Pricing

1 specs
MSRP
$445
$2,372

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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.

Spinnaker Hass Automatic

The Spinnaker Hass Automatic is a 43mm watch featuring an NH35 movement and sapphire crystal, with owners highlighting its beautiful dial. Some find Spinnaker watches, including this model, to be on the thicker side, with one owner describing the Hass X MCS Blue Fade variant as comically large and chunky. The Spinnaker Hass Automatic was offered at $445 USD as part of a special collection with customized elements, and a limited edition of 200 pieces was also available for $195 shipped. On balance, owners and reviewers note the attractive dial as a key positive, though some express reservations about the watch's thickness.

Yema Skin Diver CMM.20

Owners and reviewers widely praise the Yema Skin Diver CMM.20 for its vintage aesthetic, 39mm-39.5mm case size, and the in-house CMM.20 micro-rotor movement. The watch features a textured cream dial, sharp applied indices, and a satisfyingly over-engineered push-to-turn bi-directional bezel. The fully brushed bracelet with toolless micro-adjust clasp is highlighted as a significant improvement, though some note its extended lug-to-lug may challenge smaller wrists. Accuracy figures range from -3/+7 seconds per day to erratic results between 0 and -10 seconds per day, with a 70-hour power reserve. Some owners express concerns about the brand's QC reputation and the micro-rotor movement's performance, while one reviewer noted questionable finishing on a prototype's hour hand and a rattly clasp. Overall, owners and reviewers rate the Yema Skin Diver CMM.20 highly for its vintage styling and improved bracelet at the price.

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