Side by side
Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)vsSeiko 5KX
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)38mm
5KX42.5mm
Power Reserve
1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)—
5KX41h
Water Resistance
1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)200m
5KX100m
MSRP
1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)$223
5KX$350
Full specifications
Case
4 specsDiameter
38mm
42.5mm
Thickness
12.8mm
13.4mm
Lug Width
20mm
22mm
Water Resistance
200m
100m
Crystal & Dial
3 specsCrystal
Sapphire
Hardlex
Dial Color
Blue
Black
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
Seiko NH35
4R36
Power Reserve
—
41h
Jewels
25
24
Pricing
1 specsMSRP
$223
$350
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