Side by side
Sheffield 1A 40mmvsTudor Black Bay 58 GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
1A 40mm40mm
Black Bay 58 GMT39mm
Power Reserve
1A 40mm40h
Black Bay 58 GMT65h
Water Resistance
1A 40mm200m
Black Bay 58 GMT200m
MSRP
1A 40mm$228
Black Bay 58 GMT$5,525
Full specifications
Case
7 specsCategory
—
GMT
Diameter
40mm
39mm
Thickness
13mm
12.8mm
Lug-to-Lug
48mm
—
Lug Width
20mm
12.8mm
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Solid screw-down
Crystal & Dial
3 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
—
Black
Movement
7 specsCaliber
Seiko NH35
MT5450-U
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
65h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
GMT
Pricing
1 specsMSRP
$228
$5,525
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 Sheffield 1A 40mm vs Tudor Black Bay 58 GMT gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Sheffield 1A SCR II BluevsTudor Black Bay 58 GMTSheffield 1AvsTudor Black Bay 58 GMTSheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no datevsTudor Black Bay 58 GMTFilippo Loreti Watches The Joker MadnessvsTudor Black Bay 58 GMTOak & Oscar The Humboldt GMT USSS EditionvsSheffield 1A 40mmPhoibos Wave Master GMTvsSheffield 1A 40mm