Side by side

Seiko Diamond CollectionvsTudor Black Bay One 31 S&G

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

Diamond Collection
SeikoDiamond Collection
MSRP $525
Black Bay One 31 S&G
TudorBlack Bay One 31 S&G
MSRP $6,850
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Diamond Collection

Owners widely praise the Seiko Diamond Collection for its stunning beauty, particularly highlighting the 14 diamonds and the captivating mother-of-pearl dial. Its 33.2mm case size, 100m water resistance, sapphire crystal, and lightweight build are appreciated features contributing to comfortable wear. Some owners find the dial detail is best appreciated in direct sunlight. The gold plating on some models may show fading from desk work over time. Overall, owners rate the Seiko Diamond Collection highly for its dazzling aesthetics and comfortable, well-finished design 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.

At a glance

10 of 29 specs differ
Diameter
Diamond Collection32mm
Black Bay One 31 S&G31mm
Power Reserve
Diamond Collection40h
Black Bay One 31 S&G50h
Water Resistance
Diamond Collection100m
Black Bay One 31 S&G100m
MSRP
Diamond Collection$525
Black Bay One 31 S&G$6,850

Full specifications

Case

7 specs
Category
Dress
Diameter
32mm
31mm
Thickness
8.2mm
9.5mm
Lug-to-Lug
39mm
46mm
Lug Width
15mm
17mm
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Solid screw-down

Movement

2 specs
Caliber
6N32
MT5201
Power Reserve
40h
50h

Pricing

1 specs
MSRP
$525
$6,850
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Seiko Diamond Collection vs Tudor Black Bay One 31 S&G gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.