Side by side

Seestern S446 GMTvsYema Flygraf CPA10

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

S446 GMT
SeesternS446 GMT
MSRP $299
Flygraf CPA10
YemaFlygraf CPA10
MSRP $1,614

At a glance

14 of 29 specs differ
Diameter
S446 GMT39.5mm
Flygraf CPA1040mm
Power Reserve
S446 GMT41hh
Flygraf CPA1040h
Water Resistance
S446 GMT100m
Flygraf CPA10100m
MSRP
S446 GMT$299
Flygraf CPA10$1,614

Full specifications

Case

5 specs
Category
GMT
Pilot
Diameter
39.5mm
40mm
Thickness
13mm
9.4mm
Lug-to-Lug
47mm
46mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Domed
Flat
Dial Color
Cream
Standard

Movement

5 specs
Caliber
Seiko NH34A GMT
Yema CMM.10
Beat Rate
3 vph
28,800 vph
Power Reserve
41hh
40h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$1,614

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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 Flygraf CPA10

Owners widely praise the Yema Flygraf CPA10 for its light 40mm titanium case, slim 9.4mm profile, and excellent legibility on its blue brushed dial with applied Super-LumiNova markers. The Yema CMM.10 automatic movement is considered terrific, offering chronometric precision of -3/+5 seconds per day and a 70-hour power reserve. Some owners appreciate the aluminum warranty card and packaging as nice touches. The watch is priced at €1,690. One owner noted concerns about the long-term reliability of older in-house movements due to mixed origins, though praised customer service under new management. Overall, owners rate the Yema Flygraf CPA10 highly for its comfortable wearability and attractive, legible dial design.

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