Side by side

Tudor Black Bay One 31 S&GvsYema Flygraf CPA10

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

Black Bay One 31 S&G
TudorBlack Bay One 31 S&G
MSRP $6,850
Flygraf CPA10
YemaFlygraf CPA10
MSRP $1,614

At a glance

11 of 29 specs differ
Diameter
Black Bay One 31 S&G31mm
Flygraf CPA1040mm
Power Reserve
Black Bay One 31 S&G50h
Flygraf CPA1040h
Water Resistance
Black Bay One 31 S&G100m
Flygraf CPA10100m
MSRP
Black Bay One 31 S&G$6,850
Flygraf CPA10$1,614

Full specifications

Case

6 specs
Category
Pilot
Diameter
31mm
40mm
Thickness
9.5mm
9.4mm
Lug Width
17mm
20mm
Finish
Polished + Satin
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Standard

Movement

2 specs
Caliber
MT5201
Yema CMM.10
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$6,850
$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.

Tudor Black Bay One 31 S&G

The Tudor Black Bay One 31 S&G is praised for its quiet luxury, combining brushed steel and warm gold accents for understated charm. Owners appreciate the brushed gold for a casual two-tone look and the champagne dial's surprising legibility. Some find the case sides too thick, and one user expressed a desire for a smaller S&G variant. The watch features the MT5612 movement with a 70-hour power reserve and a date function, within a 200-meter water-resistant case. Overall, owners and reviewers highlight the Tudor Black Bay One 31 S&G's balanced two-tone aesthetic as its primary appeal.

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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