Side by side

Spinnaker Hull DivervsTudor Black Bay One 31 S&G

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

Hull Diver
SpinnakerHull Diver
MSRP $375
Black Bay One 31 S&G
TudorBlack Bay One 31 S&G
MSRP $6,850

At a glance

13 of 29 specs differ
Diameter
Hull Diver42mm
Black Bay One 31 S&G31mm
Power Reserve
Hull Diver40h
Black Bay One 31 S&G50h
Water Resistance
Hull Diver300m
Black Bay One 31 S&G100m
MSRP
Hull Diver$375
Black Bay One 31 S&G$6,850

Full specifications

Case

9 specs
Category
Diver
Diameter
42mm
31mm
Thickness
15mm
9.5mm
Lug-to-Lug
47.5mm
46mm
Lug Width
22mm
17mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

1 specs
Dial Color
Green
Black

Movement

2 specs
Caliber
SII NH35A
MT5201
Power Reserve
40h
50h

Pricing

1 specs
MSRP
$375
$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 Hull Diver

The Spinnaker Hull Diver is widely praised for its excellent build quality, featuring a milled clasp, solid links, and a strong anti-reflective coating on its sapphire crystal. Owners highlight its value, with one calling it one of their best affordable watches at $170, and appreciate the dual-part case construction that contributes to a reduced thickness. The blue dial is noted for its attractive play of light, and the screw-down crown is easy to operate. However, the lume is considered average, and some desire a higher beat movement. On balance, owners rate the Spinnaker Hull Diver highly for its robust construction and strong value proposition at its price point.

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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