Side by side

Tudor Black Bay One 31vsYema Flygraf Navigator

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

Black Bay One 31
TudorBlack Bay One 31
MSRP $4,600
Flygraf Navigator
YemaFlygraf Navigator
MSRP $1,199

At a glance

12 of 29 specs differ
Diameter
Black Bay One 3131mm
Flygraf Navigator40mm
Power Reserve
Black Bay One 3150h
Flygraf Navigator40h
Water Resistance
Black Bay One 31100m
Flygraf Navigator100m
MSRP
Black Bay One 31$4,600
Flygraf Navigator$1,199

Full specifications

Case

8 specs
Category
Diver
Chronograph
Diameter
31mm
40mm
Thickness
9.5mm
13.9mm
Lug-to-Lug
46mm
Lug Width
17mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Polished + Satin
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

1 specs
Dial Color
Anthracite
Steel

Movement

2 specs
Caliber
MT5201
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$4,600
$1,199

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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

Owners widely report the Tudor Black Bay One 31's polished case and bracelet scratch easily, though its wearability under gloves and robust movement are praised. Some desire more micro-adjustment options on the clasp, and a lack of contrast between the silver dial and hands is noted. The 31mm size may be a consideration for daily wear due to its 50-hour power reserve. On balance, owners and reviewers appreciate the Tudor Black Bay One 31 for its comfortable wearability and robust movement, despite concerns about case scratching and clasp adjustability.

Yema Flygraf Navigator

Owners widely praise the Yema Flygraf Navigator's value and attractive design. However, community members express concerns regarding quality control and customer service, with one owner advising against purchase due to these issues. The in-house MBP1000 movement is noted as a mix of components, and one owner doubts its long-term reliability. On balance, owners find the Yema Flygraf Navigator a nice-looking watch with good value, but significant concerns exist around quality control and customer service.

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