Side by side

Sugess MoonPhase Master SU2108vsYema Skin Diver CMM.20

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

MoonPhase Master SU2108
SugessMoonPhase Master SU2108
MSRP $549
Skin Diver CMM.20
YemaSkin Diver CMM.20
MSRP $2,372

At a glance

15 of 29 specs differ
Diameter
MoonPhase Master SU210840mm
Skin Diver CMM.2039.5mm
Power Reserve
MoonPhase Master SU210841h
Skin Diver CMM.2040h
Water Resistance
MoonPhase Master SU21085m
Skin Diver CMM.20200m
MSRP
MoonPhase Master SU2108$549
Skin Diver CMM.20$2,372

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
40mm
39.5mm
Lug-to-Lug
46mm
47mm
Material
Stainless Steel/Gold
316L Stainless Steel
Finish
Polished
Brushed and polished
Water Resistance
5m
200m
Caseback
Display
Solid

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
S438 White
Black

Movement

5 specs
Caliber
Seagull ST21
Yema CMM.20
Beat Rate
4 vph
28,800 vph
Power Reserve
41h
40h
Jewels
21
25
Complications
GMT, Moonphase, Date
None

Pricing

1 specs
MSRP
$549
$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.

Sugess MoonPhase Master SU2108

Owners widely praise the Sugess MoonPhase Master SU2108 for its gorgeous, affordable dress watch aesthetic, intricate dial details, and elegant rose gold finish. Reviewers note a well-decorated Seagull ST2108 movement averaging +7 seconds daily, a lumed moonphase, applied Roman numerals, and a multi-textured dial. However, some owners find the 40mm diameter and 50mm lug-to-lug too large for smaller wrists, and the polished blue hands can make quick time-telling difficult. Criticisms also include a date hand that obscures numerals, a domed sapphire crystal lacking AR coating, and stiff stock straps. On balance, owners rate the Sugess MoonPhase Master SU2108 highly for its elegant design and value in the affordable dress watch segment.

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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