Side by side

Spinnaker Croft Mid-Size SkeletonvsTudor Black Bay One 31 S&G

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

Croft Mid-Size Skeleton
SpinnakerCroft Mid-Size Skeleton
MSRP $425
Black Bay One 31 S&G
TudorBlack Bay One 31 S&G
MSRP $6,850

At a glance

12 of 29 specs differ
Diameter
Croft Mid-Size Skeleton40mm
Black Bay One 31 S&G31mm
Power Reserve
Croft Mid-Size Skeleton40h
Black Bay One 31 S&G50h
Water Resistance
Croft Mid-Size Skeleton100m
Black Bay One 31 S&G100m
MSRP
Croft Mid-Size Skeleton$425
Black Bay One 31 S&G$6,850

Full specifications

Case

8 specs
Category
Field
Diameter
40mm
31mm
Thickness
14mm
9.5mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
17mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Solid screw-down

Crystal & Dial

1 specs
Dial Color
Dollar Diver
Black

Movement

2 specs
Caliber
SII NH38A
MT5201
Power Reserve
40h
50h

Pricing

1 specs
MSRP
$425
$6,850

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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.

Spinnaker Croft Mid-Size Skeleton

The Spinnaker Croft Mid-Size Skeleton is noted for its 40mm steel case, sapphire crystal, and 150m water resistance. One owner reports strong performance from the TMI NH70 movement at -3 seconds per day, with very nice lume. On balance, owners find the Spinnaker Croft Mid-Size Skeleton to be a pretty nice option, particularly for its movement performance and lume.

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.

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