Gunung Segara (Jakarta) - EPSG:4820

WKT

GEOGCS["GCS_Gunung_Segara_Jakarta", 
	DATUM["D_Gunung_Segara", 
		SPHEROID["Bessel_1841", 6377397.155, 299.1528128]], 
	PRIMEM["Jakarta", 106.8077194444444], 
	UNIT["Degree", 0.0174532925199433]]

WKT2

GEOGCRS["GCS_Gunung_Segara_Jakarta", 
	DATUM["D_Gunung_Segara", 
		ELLIPSOID["Bessel_1841", 6377397.155, 299.1528128]], 
	PRIMEM["Jakarta", 106.8077194444444, 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	CS[ellipsoidal, 2], 
	AXIS["Latitude (lat)", north, 
		ORDER[1]], 
	AXIS["Longitude (lon)", east, 
		ORDER[2]], 
	ANGLEUNIT["Degree", 0.0174532925199433], 
	ID["EPSG", "4820"]]

Data from @esri/proj-codes

{
  "wkid": 4820,
  "latestWkid": 4820,
  "macro": "PE_GCS_GUNUNG_SEGARA_JAKARTA",
  "name": "GCS_Gunung_Segara_Jakarta",
  "wkt": "GEOGCS[\"GCS_Gunung_Segara_Jakarta\",DATUM[\"D_Gunung_Segara\",SPHEROID[\"Bessel_1841\",6377397.155,299.1528128]],PRIMEM[\"Jakarta\",106.8077194444444],UNIT[\"Degree\",0.0174532925199433]]",
  "wkt2": "GEOGCRS[\"GCS_Gunung_Segara_Jakarta\",DATUM[\"D_Gunung_Segara\",ELLIPSOID[\"Bessel_1841\",6377397.155,299.1528128]],PRIMEM[\"Jakarta\",106.8077194444444,ANGLEUNIT[\"Degree\",0.0174532925199433]],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433],ID[\"EPSG\",\"4820\"]]",
  "description": "Gunung Segara (Jakarta)",
  "authority": "EPSG",
  "version": "6.5(9.0.0)",
  "deprecated": "no",
  "areaname": "Indonesia - Kalimantan E",
  "extent": {
    "slat": -4.24,
    "nlat": 4.29,
    "llon": 114.55,
    "rlon": 119.06
  }
}