Side by side

Tedoro Harmony 36mm Stainless Steel Seiko NH35AvsTudor Black Bay One 31 S&G

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

Black Bay One 31 S&G
TudorBlack Bay One 31 S&G
MSRP $6,850

At a glance

10 of 29 specs differ
Diameter
Harmony 36mm Stainless Steel Seiko NH35A36mm
Black Bay One 31 S&G31mm
Power Reserve
Harmony 36mm Stainless Steel Seiko NH35A41h
Black Bay One 31 S&G50h
Water Resistance
Harmony 36mm Stainless Steel Seiko NH35A100m
Black Bay One 31 S&G100m
MSRP
Harmony 36mm Stainless Steel Seiko NH35A$495
Black Bay One 31 S&G$6,850

Full specifications

Case

6 specs
Diameter
36mm
31mm
Thickness
9.5mm
Lug-to-Lug
46mm
Lug Width
17mm
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Solid screw-down

Crystal & Dial

1 specs
Dial Color
Burgundy
Black

Movement

2 specs
Caliber
Seiko NH35A
MT5201
Power Reserve
41h
50h

Pricing

1 specs
MSRP
$495
$6,850
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