Side by side

Spinnaker Hull California (Olive Oyl Red)vsTudor Black Bay One 31

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

Hull California (Olive Oyl Red)
SpinnakerHull California (Olive Oyl Red)
MSRP $375
Black Bay One 31
TudorBlack Bay One 31
MSRP $4,600

At a glance

11 of 29 specs differ
Diameter
Hull California (Olive Oyl Red)42mm
Black Bay One 3131mm
Power Reserve
Hull California (Olive Oyl Red)40h
Black Bay One 3150h
Water Resistance
Hull California (Olive Oyl Red)100m
Black Bay One 31100m
MSRP
Hull California (Olive Oyl Red)$375
Black Bay One 31$4,600

Full specifications

Case

7 specs
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
Caseback
Solid
Solid screw-down

Crystal & Dial

1 specs
Dial Color
Olive Oyl Red
Anthracite

Movement

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

Pricing

1 specs
MSRP
$375
$4,600

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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 California (Olive Oyl Red)

Owners widely praise the Spinnaker Hull California (Olive Oyl Red)'s polished case finish and textured dial, with one owner finding its jubilee bracelet superior to Seiko's. Some find the 24-hour subdial functionally illogical and visually unappealing, while others prefer a smoother dial texture over the current finish. On balance, owners value the Spinnaker Hull California (Olive Oyl Red) for its striking dial and high-quality bracelet at its price point.

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.

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