Side by side
Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)vsSinn U18
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)38mm
U1844mm
Power Reserve
1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)—
U1842h
Water Resistance
1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)200m
U182,000m
MSRP
1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)$223
U18$3,488
Full specifications
Case
8 specsDiameter
38mm
44mm
Thickness
12.8mm
15.5mm
Lug-to-Lug
46mm
—
Lug Width
20mm
22mm
Material
Stainless Steel
high-strength
Finish
Brushed and polished
—
Water Resistance
200m
2000m
Caseback
Solid
—
Crystal & Dial
4 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Blue
Black
Indices
Applied
—
Movement
2 specsCaliber
Seiko NH35
SW300-1
Power Reserve
—
42h
Pricing
1 specsMSRP
$223
$3,488
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