The Church was christened as Willemskerk to honour King William I of the Netherlands.

[5] The church also keeps a Dutch State Bible printed from 1748 by Nicolaas Goetzee of Gorinchem.

[5] The all-brick church with stone columned and pedimented portico is built in Indies Empire style.

The church has a circular layout with a diameter of 9.5 meters covered in grey marble tiles.

Chairs are arranged circularly, with the state lectern used by the Governor of Batavia.