Richard C. Hartnack wants to keep things simple.
The vice chairman and chief of retail banking at San Francisco-based  Union Bank of California does not worry much about providing the broader   array of products and services that seem to preoccupy many of his peers   these days.     
  
Mr. Hartnack aims to beat his primary competition-Wells Fargo & Co. and  BankAmerica Corp.-on basics like checking and savings. 
"I'd like to be the very best provider of core products around, and if  I'm not the category killer for the other stuff that's O.K.," he said in a   recent interview.   
  
If the traditional core of banking is what the third-largest commercial  bank in California does best, the reasoning goes, that is where it will   find its competitive advantage.   
Mr. Hartnack, a 52-year-old California native, sees an analogy in  department stores. They became popular in the 1950s because people began to   value their time more and were looking for one-stop shopping. But   eventually shoppers derived more value from specialty retailers.     
"It's the natural evolution of good marketing by lots of people in a  good economy," Mr. Hartnack said, arguing that the banking public has made   the same shift.   
  
"It frustrates the hell out of bankers, but I think it is a natural  thing," he added. 
"No management team has enough capital to develop a value proposition  across all financial services and win, because too much brains and talent   are arrayed against you in all of those categories. It is the ultimate   conceit for people to think they can do that."     
While Union Bank risks losing customers who want those fuller financial  relationships with single institutions, its strategy fits with the   prevailing thinking on core competencies.   
"They know what they are good at and they are not going to kid  themselves into doing something that isn't within their capability," says   Charles B. Wendel, president of Financial Institutions Consulting in New   York. "A lot of banks talk about the 'full relationship,' but if they don't   have the products, resources, or capabilities, they really are just kidding   themselves."         
  
Mr. Hartnack said the payoff from his bank's focus is measured by the  inflow of clients. 
He said Union Bank snagged a substantial number of Wells Fargo customers  who left after the institution acquired First Interstate Bancorp in 1996.   Mr. Hartnack runs the community banking group out of Los Angeles, where   First Interstate was based.     
But even when Union merged with Bank of California to form the present  institution in 1996, Mr. Hartnack was signing up new customers: The bank   added about 100,000 that year, 75,000 the year before. The number for 1997   was roughly 50,000.     
Customers were just about the only ones who didn't have a difficult time  with the merger, quipped Mr. Hartnack, who joined the California bank from   First National Bank of Chicago in 1991.   
"Mergers are not fun deals, and mergers between equals are even less  fun," Mr. Hartnack said. "We set a goal of not losing any customers, and it   turned out there were a lot of customers who didn't even know we were in a   merger."     
At $30.6 billion of assets, the lead bank of Unionbancal Corp. ranks a  distant third in California banking. But Mr. Hartnack insists that his   institution is the perfect size to compete with BankAmerica and Wells.   Union Bank has enough scale to invest in top technology yet is small enough   to be nimble.       
"There really isn't that much distance between me and the teller on the  line, but we are big enough to offer the customer anything that the big   guys can," he said.   
Union Bank tries to create a "community bank feel" in branches and can  react quickly to new market opportunities, according to senior vice   president and director of marketing Nik Banerjee.   
For example, the bank recently identified a potential demand for used-  car loans in Southern California. 
It put together a radio advertising campaign and saw instant results.
"We came in very quickly and got a huge lift," said Mr. Banerjee, who  spent three years with BankAmerica before joining Union Bank last year. "We   can translate a concept culled from our rather sophisticated data mining   into action, rather than spending a year creating the grand plan."     
The bank also has the resources to invest significantly in a  sophisticated Internet banking product, one that Mr. Hartnack insists will   outdo Wells Fargo's and BankAmerica's impressive Web sites.   
"If this were up and running tomorrow, functionally it would be the most  advanced site in banking," Mr. Hartnack said of a product scheduled to be   showcased next month and ready for transactions in the fall.   
"In a point-and-click environment, you will be able to do everything  you'd be able to do in a branch or over the phone or on the PC, except hand   us or get back coin and currency," Mr. Hartnack said.   
Besides its size, observers say Union Bank has an advantage in not  having a broad population of shareholders to keep happy. Bank of Tokyo-   Mitsubishi Ltd.-at approximately $800 billion of assets the largest bank in   the world-holds about 80% of the shares.     
Union Bank's return on equity-15.97% last year-is "very respectable in  the eye of their Japanese parent," says Campbell K. Chaney, an analyst with   Sandler O'Neill & Partners in Walnut Creek, Calif. "Because they have to   worry most about pleasing that one shareholder, they have the luxury to   make longer-term investments, spend more time targeting certain customers,   and cultivate and build client relationships."         
BankAmerica and Wells Fargo, typical of the biggest U.S. holding  companies, must focus more on near-term profitability hurdles and   shareholder returns, Mr. Chaney says.   
With the solid Japanese backing, Union Bank has been adding branches,  another contrast to major peers, said Joseph K. Morford, an analyst with BT   Alex. Brown in San Francisco. "They are filling in holes and picking spots   where they can get a competitive advantage."     
Over the past five years, Union Bank's California branch network grew by  a net 26 locations. 
But Mr. Hartnack is far from satisfied with the 237 branches Union Bank  has across the state. He rattles off a handful of markets he wants to   expand into: Monterey, Carmel, Santa Barbara, and more northern reaches   along the coast.     
"We only have three branches north of San Francisco," he said. And he  spends "a lot of time worrying" about the San Francisco Bay area, where the   bank has 14 branches.   
"That's just not enough," he said. "The population is growing and it is  a successful, affluent community. You don't want to miss the San Francisco   market, but it is very well served by competitors."   
On the other hand, Mr. Hartnack said, he is satisfied with the job his  bank is doing in San Diego County, with a population of 2.7 million. 
Union Bank has 14% of the branches there and an 18% market share.
"That says we are really pushing a lot of efficiency and we have enough  of a presence that word of mouth keeps pushing a significant number of   clients toward us," Mr. Hartnack said. "We are on prospective clients'   radar screens."