Side by side

Tudor Black Bay One 31vsYema Flygraf Pilot

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 Pilot
YemaFlygraf Pilot
MSRP $990

At a glance

12 of 29 specs differ
Diameter
Black Bay One 3131mm
Flygraf Pilot38.5mm
Power Reserve
Black Bay One 3150h
Flygraf Pilot40h
Water Resistance
Black Bay One 31100m
Flygraf Pilot100m
MSRP
Black Bay One 31$4,600
Flygraf Pilot$990

Full specifications

Case

8 specs
Category
Diver
Pilot
Diameter
31mm
38.5mm
Thickness
9.5mm
8.8mm
Lug-to-Lug
46mm
Lug Width
17mm
19mm
Material
Stainless Steel
316L Stainless Steel
Finish
Polished + Satin
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

1 specs
Dial Color
Anthracite
Black

Movement

2 specs
Caliber
MT5201
Sellita SW200
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$4,600
$990

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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 Pilot

Owners praise the Yema Flygraf Pilot's legible Type A dial, functional industrial aesthetic, and wearable 39mm/40mm size. Some owners report concerns with Yema's customer service and quality control, while others find the in-house movement acceptable. The titanium case scratches more easily, and the bracelet's pin-and-collar system and long links are noted drawbacks. Accuracy figures range from +8 to +/- 10 seconds per day. On balance, owners appreciate the Yema Flygraf Pilot's design and wearability, though some express caution due to past quality control and customer service issues.

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