Side by side

Straton Straton Yacht Racer QuartzvsYema Skin Diver CMM.20

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

Straton Yacht Racer Quartz
StratonStraton Yacht Racer Quartz
MSRP $349
Skin Diver CMM.20
YemaSkin Diver CMM.20
MSRP $2,372

At a glance

18 of 29 specs differ
Diameter
Straton Yacht Racer Quartz42mm
Skin Diver CMM.2039.5mm
Power Reserve
Straton Yacht Racer Quartz
Skin Diver CMM.2040h
Water Resistance
Straton Yacht Racer Quartz100m
Skin Diver CMM.20200m
MSRP
Straton Yacht Racer Quartz$349
Skin Diver CMM.20$2,372

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
42mm
39.5mm
Thickness
12mm
11.5mm
Lug-to-Lug
48mm
47mm
Finish
Brushed and polished
Water Resistance
100m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Flat
AR Coating
Yes
Inner
Dial Color
Black
Indices
Applied

Movement

5 specs
Caliber
Miyota 6S21
Yema CMM.20
Type
Quartz
Automatic
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$349
$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.

Straton Yacht Racer Quartz

Owners report the Straton Yacht Racer Quartz is in excellent condition with flawless sapphire crystal and lumed bezel, and some find the 42mm case a bit wide. Reviewers praise the Straton Yacht Racer Quartz as a fun, colorful, and quirky chronograph offering exceptional value under $300 with a retro design and a reliable Miyota quartz movement. On balance, owners and reviewers rate the Straton Yacht Racer Quartz highly for its exceptional value and retro design.

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.

From video reviewers

The sapphire bezel insert and in-house CMM.20 movement are noted strengths. Reviewers questioned the value proposition compared to other Yema models.

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