Side by side

Tudor Black Bay One 31vsWolbrook Skindiver Automatic

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
Skindiver Automatic
WolbrookSkindiver Automatic
MSRP $453

At a glance

13 of 29 specs differ
Diameter
Black Bay One 3131mm
Skindiver Automatic40mm
Power Reserve
Black Bay One 3150h
Skindiver Automatic40h
Water Resistance
Black Bay One 31100m
Skindiver Automatic150m
MSRP
Black Bay One 31$4,600
Skindiver Automatic$453

Full specifications

Case

8 specs
Diameter
31mm
40mm
Thickness
9.5mm
13mm
Lug-to-Lug
46mm
Lug Width
17mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Polished + Satin
Brushed and polished
Water Resistance
100m
150m
Caseback
Solid screw-down
Solid

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Anthracite
Green

Movement

2 specs
Caliber
MT5201
Miyota 8315
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$4,600
$453

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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.

Wolbrook Skindiver Automatic

The Wolbrook Skindiver Automatic is widely praised for its attractive vintage aesthetic, comfortable wearability, and legible dial, with many owners highlighting its quality build and value under $500. Owners often commend the Beads of Rice bracelet and tropic strap, the box sapphire crystal, and the overall solid feel that suggests nothing is cheap. Specific praise is given to its lume, which some find lasts well and is great, and its accuracy, with one owner noting exceptional performance. However, some find the finishing merely fine, not exceptional, and note issues with the push-pull crown lacking a positive lock or being noisy. The 20mm strap width and drilled lugs that don't fit all spring bars are also mentioned as potential drawbacks. The Miyota 8315 movement, while preferred over the 8215, is described by one owner as noisy, and the non-transferable warranty policy is a concern for some.

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