UPDATE 1-Watson Wyatt Q1 profit falls 15 pct, sees weak Q2

* Q1 EPS $0.69 vs $0.82 yr ago, rev falls 6 pct

* Sees Q2 adj EPS $0.81 - $0.86

* Sees Q2 rev $405 mln - $420 mln

* Backs FY view adj EPS view $3.50 - $3.60

* Backs FY rev view $1.63 bln - $1.70 bln

Nov 5 (Reuters) - Watson Wyatt Worldwide Inc (WW.N), a human resource and consultancy services provider, posted a 15 percent drop in quarterly profit as revenue at its benefits group fell, and the company forecast a weak second quarter.

The company expects second-quarter adjusted earnings of 81 cents to 86 cents a share, on revenue of $405 million to $420 million.

Analysts on average were expecting earnings of 89 cents a share, before items, on revenue of $427.1 million, according to Thomson Reuters I/B/E/S.

For the first quarter ended Sept. 30, net income was $29.8 million, or 69 cents a share, compared with $35.2 million, or 82 cents a share, a year ago.