The new blueberry plant variety ‘Clockwork’ is provided. ‘Clockwork’ is a commercial variety with excellent machine harvest characteristics, and is intended for the processed foods market. The variety has a concentrated mid-season ripening schedule, with the potential to be harvested only once per season. ‘Clockwork’ holds up well in freezer trials, with excellent flavor and texture. The plant is vigorous, with an upright growth habit, and has an estimated chilling requirement of 800 to 1,000 hours.