Side by side

Seestern S446 GMTvsYema Granvelle CMM.29

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

S446 GMT
SeesternS446 GMT
MSRP $299
Granvelle CMM.29
YemaGranvelle CMM.29
MSRP $1,913

At a glance

13 of 29 specs differ
Diameter
S446 GMT39.5mm
Granvelle CMM.2939mm
Power Reserve
S446 GMT41hh
Granvelle CMM.2940h
Water Resistance
S446 GMT100m
Granvelle CMM.2950m
MSRP
S446 GMT$299
Granvelle CMM.29$1,913

Full specifications

Case

5 specs
Category
GMT
Dress
Diameter
39.5mm
39mm
Thickness
13mm
8.6mm
Lug-to-Lug
47mm
Water Resistance
100m
50m

Crystal & Dial

2 specs
Crystal Shape
Domed
Flat
Dial Color
Cream
Black

Movement

5 specs
Caliber
Seiko NH34A GMT
Yema CMM.29
Beat Rate
3 vph
28,800 vph
Power Reserve
41hh
40h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$1,913

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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 S446 GMT

Owners widely praise the Seestern S446 GMT for its stunning finishing and extreme value, with a sapphire crystal and adjustable clasp. The winding action is noted as buttery smooth, and the 39.5mm case size is considered very wearable. Some owners, however, flag the lume as a weak point and one owner found the bracelet clasp lacked sufficient micro-adjustment. The Seestern S446 GMT is considered an extreme value for the dollar. Overall, owners rate the Seestern S446 GMT highly for its exceptional finishing and value proposition at its price point.

Yema Granvelle CMM.29

Owners praise the Yema Granvelle CMM.29's gorgeous dial, noting its guilloché pattern and carved hour indices that catch the light. One owner describes the movement as a "feast for the eyes" but finds the watch frustrating at work due to its lack of a specific function. On balance, owners appreciate the Yema Granvelle CMM.29 for its visually striking dial and movement finishing, with some finding its utility limited in certain professional contexts.

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