He was attached to the 4th NY Light Artillery June 1862 and 63', with the 107 USCT June 14, 1864.

Frederick W. Watkins

Residence was not listed; a 21 year-old Plumber.
Enlisted on 10/9/1861 at New York City, NY as a Private.
On 10/9/1861 he mustered into NY 4th Light Artillery
He was transferred out on 12/12/1863
On 12/12/1863 he transferred into NY 5th Light Artillery
(date and method of discharge not given)
He was listed as:
* Wounded 7/2/1863 Gettysburg, PA
Promotions:
* Corpl 7/30/1862 (Estimated day)
Other Information:
born in New York

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Corporal, 5th New York Light Artillery

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Frederick W. Watkins, age 24, Captain, Company G, 107th U. S. Colored Infantry, appointed from Corporal in Taft's 5th N. Y. Battery, June 14, 1864, present at the Ma/June, 1886 muster, on detached service, Recruiting Office from September 13, 1866, mustered out at Washington, D. C. November 22, 1866.
appointed June 22, 1867, Brevet Major, Volunteer Force, Army of the United States for gallant and meritorious services during the war to date from March 13, 1865

Compiled Military Service Records of Volunteer Union Soldiers Who Served the United States Colored Troops: 56th-138th USCT Infantry, 1864-1866