Side by side

Seestern S456 GMTvsYema Wristmaster Slim Small Seconds CMM.29

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

S456 GMT
SeesternS456 GMT
MSRP $299
Wristmaster Slim Small Seconds CMM.29
YemaWristmaster Slim Small Seconds CMM.29
MSRP $2,249

At a glance

15 of 29 specs differ
Diameter
S456 GMT41mm
Wristmaster Slim Small Seconds CMM.2939mm
Power Reserve
S456 GMT41hh
Wristmaster Slim Small Seconds CMM.2940h
Water Resistance
S456 GMT200m
Wristmaster Slim Small Seconds CMM.29100m
MSRP
S456 GMT$299
Wristmaster Slim Small Seconds CMM.29$2,249

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
41mm
39mm
Thickness
13mm
9mm
Lug-to-Lug
49mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Water Resistance
200m
100m

Crystal & Dial

2 specs
Dial Color
Sunray style, applied and Diamond cut Indices, C1 lume
Black
Lume
C1
None

Movement

5 specs
Caliber
Seiko NH34
Yema CMM.29
Beat Rate
3 vph
28,800 vph
Power Reserve
41hh
40h
Jewels
24
25
Complications
GMT
None

Pricing

1 specs
MSRP
$299
$2,249

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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.

Seestern S456 GMT

Owners widely praise the Seestern S456 GMT for its exceptional value and finishing that exceeds expectations, with one owner noting its accuracy surpasses that of their Seiko 5. The dial displays a pearl-like rainbow effect. Some owners would prefer a bidirectional bezel over the current unidirectional one. The Seestern S456 GMT features an NH34 movement, a 39.5mm case, sapphire crystal, and an adjustable clasp. On balance, owners rate the Seestern S456 GMT highly for its impressive finishing and value proposition at its price point.

From video reviewers

The watch features stunning, detailed finishing that is difficult to top. Reviewers did not reach a consensus on any weaknesses.

Yema Wristmaster Slim Small Seconds CMM.29

Owners widely praise the Yema Wristmaster Slim Small Seconds CMM.29 for its slim 9.5mm case, unique nature-inspired dial, and brushed steel finish. The micro-rotor movement is noted for its 4Hz beat rate and 42-hour power reserve, regulated to -/+ 10 seconds per day. Some owners report concerns regarding the movement and warranty process, while a reviewer questioned the value proposition at its price point and noted minor finishing inconsistencies on a prototype. On balance, the Yema Wristmaster Slim Small Seconds CMM.29 is highly regarded by owners for its distinctive design and comfortable wearability.

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