Side by side

Citizen Atomic Perpetual A-TvsSheffield Mechanic's Pit Watch

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

Mechanic's Pit Watch
SheffieldMechanic's Pit Watch

At a glance

11 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
Mechanic's Pit Watch42mm
Power Reserve
Atomic Perpetual A-T40h
Mechanic's Pit Watch
Water Resistance
Atomic Perpetual A-T200m
Mechanic's Pit Watch100m
MSRP
Atomic Perpetual A-T
Mechanic's Pit Watch

Full specifications

Case

6 specs
Category
Pilot
Chronograph
Diameter
41mm
42mm
Thickness
12mm
13.5mm
Lug-to-Lug
46mm
48mm
Lug Width
20mm
22mm
Water Resistance
200m
100m

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Blue
White

Movement

3 specs
Caliber
H800
Seiko VK64
Type
Solar
Mecaquartz
Power Reserve
40h
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