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Home/Browse/Tudor/Black Bay One 31 S&G Diamond
SpecStudio
Tudor Black Bay One 31 S&G Diamond
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Tudor · Black

Tudor Black Bay One 31 S&G Diamond

Stock unknown

Case

Diameter
31mm
Thickness
9.5mm
Material
steel
Water resistance
100m

Crystal & dial

Crystal
Sapphire

Movement

Caliber
Tudor MT5201
Type
Automatic
Power reserve
50h

Design language

Case shape
round
Dial style
standard
Bezel
smooth_polished
Bracelet
metal_jubilee

AI-detected from the product image

Black collection · 24 watches

Black Bay
Black Bay41mm
Black Bay 54
Black Bay 5437mm
Black Bay 58 18K
Black Bay 58 18K39mm
Black Bay 58 925
Black Bay 58 92539mm
Black Bay 58 Bronze
Black Bay 58 Bronze39mm
Black Bay 58 GMT
Black Bay 58 GMT39mm
Black Bay 68
Black Bay 6843mm
Black Bay Bronze
Black Bay Bronze43mm
Black Bay Ceramic
Black Bay Ceramic41mm
Black Bay Chrono
Black Bay Chrono41mm
Black Bay Chrono S&G
Black Bay Chrono S&G41mm
Black Bay GMT
Black Bay GMT41mm
11 more in this collection
Black Bay GMT S&GBlack Bay One 31Black Bay One 31 S&GBlack Bay One 36Black Bay One 36 S&GBlack Bay One 36 S&G DiamondBlack Bay One 39Black Bay One 39 S&G DiamondBlack Bay One 41Black Bay One 41 S&GBlack Bay Pro

3 colorways

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Market

RetailNot listed

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Retail stock & market context

Tudor on the secondhand market

+11.9%

2026 so far · +4.6% to +16.8% · 43 matched watches

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“
Summary

The Tudor Black Bay One 31 S&G Diamond is an automatic watch, with a 31mm steel case, 9.5mm thick, powered by the Tudor MT5201 movement and a 50-hour power reserve. Water resistance is rated to 100m, under a sapphire crystal.

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Women's Watches

Collection · 31 watches

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